3(x-1) - 8 = 4(1+x) +5. Too hard, i keep getting confused

Answers

Answer 1
Answer:

3(x-1)-8=4(1+x)+5  

One solution was found :

                  x = -20

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3*(x-1)-8-(4*(1+x)+5)=0  

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((3•(x-1))-8)-(4•(x+1)+5)  = 0  

Step  2  :

Equation at the end of step  2  :

 (3 • (x - 1) -  8) -  (4x + 9)  = 0  

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  -x - 20  =   -1 • (x + 20)  

Equation at the end of step  4  :

 -x - 20  = 0  

Step  5  :

Solving a Single Variable Equation :

5.1      Solve  :    -x-20 = 0  

Add  20  to both sides of the equation :  

                     -x = 20

Multiply both sides of the equation by (-1) :  x = -20

One solution was found :

                  x = -20

hope this is wht u wanted


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Find the slope and y-intercept of the line through the points (-3,-4) and (0,-1)​

Answers

Answer:

Slope=1, y-intercept=-1.

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-1-(-4))/(0-(-3))

m=(-1+4)/(0+3)

m=3/3

m=1

y-(-4)=1(x-(-3))

y+4=x+3

y=x+3-4

y=x-1

y=mx+b where m=slope and b=y-intercept

so you have slope of 1 and y-intercept of -1

River C is 300 Miles Longer than River D. If the sum of their lengths is 5,570 miles, what is the length of each river?

Answers

x-\ length\ of\ river\ D\nx+300-\ length\ of\ river\ C\n\n5570=x+x+300\n5570=2x+300\ \ \ | subtract\ 300\n5270=2x\ \ \ | divide\ by\ 2\nx=2635\n\nRiver\ C\ is\ 2935miles\ long\ and\ river\ D\ 2635\ miles\ long.

A number cube is tossed and one card is randomly drawn. Find P(3, yellow) (BTW There are 5 cards 3 yellow 2 blue) The answer choice are: A. 1/30 B. 1/25 C.3/25 D.1/10

Answers

Answer: (1)/(10)

Step-by-step explanation:

Probability =\frac{\text{favorable outcomes}}{\text{total outcomes}}

Given : A number cube is tossed and one card is randomly drawn.

Total outcomes for cube = 6

Total outcomes fro cards = 5

Number of yellow cards = 3

Event 1 : drawing 3 on cube .

P(E_1)=(1)/(6)

Event 2 : drawing a yellow card .

P(E_2)=(3)/(5)

Since both events are independent then probability of getting  3 on cube and a yellow card is P(E_1)* P(E_2)

i.e. \text{P(3, yellow)}=(1)/(6)*(3)/(5)=(1)/(10)

Hence, P(3, yellow)= (1)/(10)

i believe its 1/10 because there are 10 cards 

How many yards are in 60 feet

Answers

There are yards that are present in 60 feet will be 20.

We must be aware of the fact that 3 feet equals 1 yard in order to convert feet to yards. By dividing 60 by 3, we can calculate how manyyards there are in 60 feet.

20 yards are equal to 60 feet times three.

Consequently, 20 yards are equal to 60 feet. The idea behind this conversion is that one yard is equivalent to three feet. We may get the corresponding number in yards by multiplying the provided measurement in feet by the conversion ratio of 3. 20 yards are equivalent to 60 feet in this situation.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ6

there are 20 yards in 60 feet.

do 60/30=20 that is your answer

hope that helps

A triangle has an area of 25 sq.cm. and a base of 5cm. What is the height of the triangle?

Answers

Answer:

10

Step-by-step explanation:

Jamal spent the day making a painting for his friend.At the end he finished 1/2 of the painting . How long would it take to make 2 whole painting

Answers

it would take about 4 days because for one day he can paint half a painting. there are 4 halves in 2 wholes so it would take 4 days