3x-7=2(4-x)

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Solution for 3x-7=2(4-x) equation: 



3x-7=2(4-x)

We move all terms to the left:

3x-7-(2(4-x))=0

We add all the numbers together, and all the variables

3x-(2(-1x+4))-7=0



We calculate terms in parentheses: -(2(-1x+4)), so:

2(-1x+4)

We multiply parentheses

-2x+8

Back to the equation:

-(-2x+8)



We get rid of parentheses

3x+2x-8-7=0

We add all the numbers together, and all the variables

5x-15=0

We move all terms containing x to the left, all other terms to the right

5x=15

x=15/5

x=3

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