220=10(x-70)+100

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Solution for 220=10(x-70)+100 equation: 



220=10(x-70)+100

We move all terms to the left:

220-(10(x-70)+100)=0



We calculate terms in parentheses: -(10(x-70)+100), so:

10(x-70)+100

We multiply parentheses

10x-700+100

We add all the numbers together, and all the variables

10x-600

Back to the equation:

-(10x-600)



We get rid of parentheses

-10x+600+220=0

We add all the numbers together, and all the variables

-10x+820=0

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

-10x=-820

x=-820/-10

x=+82

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