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

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



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

We move all terms to the left:

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



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

4(x+3)-4

We multiply parentheses

4x+12-4

We add all the numbers together, and all the variables

4x+8

Back to the equation:

-(4x+8)



We get rid of parentheses

3x-4x-8-7=0

We add all the numbers together, and all the variables

-1x-15=0

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

-x=15

x=15/-1

x=-15

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