100=4(x+15)

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Solution for 100=4(x+15) equation: 



100=4(x+15)

We move all terms to the left:

100-(4(x+15))=0



We calculate terms in parentheses: -(4(x+15)), so:

4(x+15)

We multiply parentheses

4x+60

Back to the equation:

-(4x+60)



We get rid of parentheses

-4x-60+100=0

We add all the numbers together, and all the variables

-4x+40=0

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

-4x=-40

x=-40/-4

x=+10

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