120(20+x)=180

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Solution for 120(20+x)=180 equation: 



120(20+x)=180

We move all terms to the left:

120(20+x)-(180)=0

We add all the numbers together, and all the variables

120(x+20)-180=0

We multiply parentheses

120x+2400-180=0

We add all the numbers together, and all the variables

120x+2220=0

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

120x=-2220

x=-2220/120

x=-18+1/2

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