3.5x+3(4.2x+8)=-7

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Solution for 3.5x+3(4.2x+8)=-7 equation: 



3.5x+3(4.2x+8)=-7

We move all terms to the left:

3.5x+3(4.2x+8)-(-7)=0

We add all the numbers together, and all the variables

3.5x+3(4.2x+8)+7=0

We multiply parentheses

3.5x+12x+24+7=0

We add all the numbers together, and all the variables

15.5x+31=0

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

15.5x=-31

x=-31/15.5

x=-2

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