4(10+5x)=-80

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Solution for 4(10+5x)=-80 equation: 



4(10+5x)=-80

We move all terms to the left:

4(10+5x)-(-80)=0

We add all the numbers together, and all the variables

4(5x+10)-(-80)=0

We add all the numbers together, and all the variables

4(5x+10)+80=0

We multiply parentheses

20x+40+80=0

We add all the numbers together, and all the variables

20x+120=0

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

20x=-120

x=-120/20

x=-6

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