MATHEMATICS MIDDLE SCHOOL

How do u answer 3(x+2)=x-18

Answers

Answer 1

Answer: $3(x+2)=x-18\n \n3x+6=x-18\n \n3x-x=-18-6\n \n2x=-24\ /:2\n \nx=-12$

Answer 2

Answer:

Hey! Add me! :) Im 13 btw.

anyways, how you solve this problem is simple:

first:distribute, which 3(x+2) turns into 3x+6

then:set 3x+6 equal to x-18

subtract x from both sides, then add 18 to -18 and 6,

the result of this is 2x=24

divide 24 by 2, you get 12 so x is equal to 12.

Good LUCK! :) rate mine the best c: lyy

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53/7 as a mixed number

Answers

Its already an improper fraction.
If you mean mixed number it would be 7 4/7.
Hope this helps!:)

the answer is is 7 4/7 because 7x7=49 and there is 4 left over to make the 4/7

Can you please help me solve this equation!

Evaluate:
4x/(5-3)

Answers

$(4x)/(5-3)$

Subtract the numbers : $5 - 3 = 2$

$= (4x)/(2)$

Cancel the common factor : 2

$(4x)/(2) = 2x$

hope this helps!.

$(4x)/(5-3)$

5 - 3 = ?

5-3 = 2

$(4x)/(2)$

4/2 = 2

Simplified.

$2x$

Final answer: 2x

what is The temperature was 68°F. Later that day the temperature was 82°F. How much does the temperature need to rise or fall to return to the original temperature of 68°F

Answers

The temperature needs to fall 14 degrees F.

The temperature was 68°F. Later that day the temperature was 82°F. How much does the temperature need to rise or fall to return to the original temperature of 68°F?the answer is fall 14

I need help solving (5-6x9+6)x9+3-85 I came up with -109. Is that right

Answers

Multiply −6 by 9 to get −54.(5−54+6)⋅9+3−85Subtract 54 from 5 to get −49.(−49+6)⋅9+3−85Add −49 and 6 to get −43.−43⋅9+3−85Multiply −43 by 9 to get −387.−387+3−85
Add −387 and 3 to get −384.−384−85Subtract 85 from −384 to get −469.−469

thats what i did to get -469. show your work for finding -109 and we can compare

So we have
(5-6x9+6)x9+3-85

So this is a oder of operation question, firstly you start with the brackets

(5-6x9+6)

B. Brackets
E. Exponents
D. Division
M. Multiplication
A. Addition
S. Subtraction

(5-6x9+6)

Multiplication first

6x9=54

Now we have
(5-56+6)

56+6=62

62-5=57

((57))

Now we have left

57x9+3-85
Start from multiplication

57x9=513

513+3= 516

516-85= 413

413

Is cd a commutative property

Answers

Would assume cd means c*d

c*d is commutative because:

c*d = d*c

The result in multiplication is the same, irrespective of which comes first.

How are synthetic molecules and natural molecules different

Answers

One is significantly fatter than the other and has more friction

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