3(4x+5)=-30+21

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Solution for 3(4x+5)=-30+21 equation: 



3(4x+5)=-30+21

We move all terms to the left:

3(4x+5)-(-30+21)=0

We add all the numbers together, and all the variables

3(4x+5)-(-9)=0

We add all the numbers together, and all the variables

3(4x+5)+9=0

We multiply parentheses

12x+15+9=0

We add all the numbers together, and all the variables

12x+24=0

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

12x=-24

x=-24/12

x=-2

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