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

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



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

We move all terms to the left:

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

We use the square of the difference formula

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



We calculate terms in parentheses: -(2x-3(x-4)), so:

2x-3(x-4)

We multiply parentheses

2x-3x+12

We add all the numbers together, and all the variables

-1x+12

Back to the equation:

-(-1x+12)



We get rid of parentheses

3x+1x-12+7=0

We add all the numbers together, and all the variables

4x-5=0

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

4x=5

x=5/4

x=1+1/4

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