3(4x+9)=-28+7

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Solution for 3(4x+9)=-28+7 equation: 



3(4x+9)=-28+7

We move all terms to the left:

3(4x+9)-(-28+7)=0

We add all the numbers together, and all the variables

3(4x+9)-(-21)=0

We add all the numbers together, and all the variables

3(4x+9)+21=0

We multiply parentheses

12x+27+21=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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