3(4x+7)=-42+15

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Solution for 3(4x+7)=-42+15 equation: 



3(4x+7)=-42+15

We move all terms to the left:

3(4x+7)-(-42+15)=0

We add all the numbers together, and all the variables

3(4x+7)-(-27)=0

We add all the numbers together, and all the variables

3(4x+7)+27=0

We multiply parentheses

12x+21+27=0

We add all the numbers together, and all the variables

12x+48=0

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

12x=-48

x=-48/12

x=-4

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