12x-5(x+4)=-40

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Solution for 12x-5(x+4)=-40 equation: 



12x-5(x+4)=-40

We move all terms to the left:

12x-5(x+4)-(-40)=0

We add all the numbers together, and all the variables

12x-5(x+4)+40=0

We multiply parentheses

12x-5x-20+40=0

We add all the numbers together, and all the variables

7x+20=0

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

7x=-20

x=-20/7

x=-2+6/7

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