688=4(x+18)

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Solution for 688=4(x+18) equation: 



688=4(x+18)

We move all terms to the left:

688-(4(x+18))=0



We calculate terms in parentheses: -(4(x+18)), so:

4(x+18)

We multiply parentheses

4x+72

Back to the equation:

-(4x+72)



We get rid of parentheses

-4x-72+688=0

We add all the numbers together, and all the variables

-4x+616=0

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

-4x=-616

x=-616/-4

x=+154

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