3x-3(x+10)=x-20

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Solution for 3x-3(x+10)=x-20 equation: 



3x-3(x+10)=x-20

We move all terms to the left:

3x-3(x+10)-(x-20)=0

We multiply parentheses

3x-3x-(x-20)-30=0

We get rid of parentheses

3x-3x-x+20-30=0

We add all the numbers together, and all the variables

-1x-10=0

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

-x=10

x=10/-1

x=-10

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