(x=51)+(2x)=90

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Solution for (x=51)+(2x)=90 equation: 



(x=51)+(2x)=90

We move all terms to the left:

(x-(51)+(2x))=0

We add all the numbers together, and all the variables

(3x-51)=0

We get rid of parentheses

3x-51=0

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

3x=51

x=51/3

x=17

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