5x+7(x+30)=1290

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Solution for 5x+7(x+30)=1290 equation: 



5x+7(x+30)=1290

We move all terms to the left:

5x+7(x+30)-(1290)=0

We multiply parentheses

5x+7x+210-1290=0

We add all the numbers together, and all the variables

12x-1080=0

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

12x=1080

x=1080/12

x=90

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