100=10(x+9)

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Solution for 100=10(x+9) equation: 



100=10(x+9)

We move all terms to the left:

100-(10(x+9))=0



We calculate terms in parentheses: -(10(x+9)), so:

10(x+9)

We multiply parentheses

10x+90

Back to the equation:

-(10x+90)



We get rid of parentheses

-10x-90+100=0

We add all the numbers together, and all the variables

-10x+10=0

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

-10x=-10

x=-10/-10

x=1

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