MATHEMATICS MIDDLE SCHOOL

If x =2y -1 and 2x = 3y + 2 then x is

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:I don't say u must have to mark my ans as brainliest but if you think it has really helped you plz don't forget to thank me....
Answer 2
Answer:

Answer:

7

Step-by-step explanation:

x = 2y-1

2x = 4y-2

4y - 2 = 3y + 2

y = 4

x = 2(4) - 1

= 7

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(90 ÷ 5) + (78 × 34)

Answers

(90 ÷ 5) + (78 × 34)

= 18 + 2652

= 2670

Answer: 2670

First of all, we need to solve the parentheses.

90/5=18

78(34)=2652

Now we add.

2652+18=2670

Therefore, our answer is 2670

I hope this helps!

Whats the answer for (2x+6)-(7x+3)

Answers

Well 2x plus 7x equals 9x
 6+3 equals 9
so 9x-9
The answer is -5x+3.
Hope this helps:)

. I sent fifteen parcels of oranges to a school. What was the total weight of the parcels if each weighed 10 1/2 kg?

Answers

Answer:

157.5

Step-by-step explanation:

15 x 10 1/2 kg = 157.5

What number solves the equation 11x + 7 = 73?

Answers

you do 73 -7=66 then do 66÷11=6 with make x=6

Answer:

x=6

Step-by-step explanation:

11x + 7 = 73

11x+7-7=73-7

11x=66

11x/11=66/11

x=6

A withdrawal of $50 is negative or positive?

Answers

a withdrawal of $50 is negative because you are taking money out of your account and your money in your account is getting less than what it was before.
its Negative because your taking away money.

PLEASE HELP I GIVE THANKS

Answers

The sum of 4 and 5 has to be equal to : 180 degrees. Because they make a straight angle (which its measure is 180). So we know '4' 108:
{ 108 }^( o )+\quad '5'\quad =\quad { 180 }^( o )\n '5'\quad =\quad { 180 }^( o )\quad -\quad { 108 }^( o )\n '5'\quad =\quad { 72 }^( o )

5 is equal to { 72 }^( o )
Angle 5 is 72 degrees. due to supplementary angles
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