(5x)+(2x)=90

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Solution for (5x)+(2x)=90 equation:



(5x)+(2x)=90
We move all terms to the left:
(5x)+(2x)-(90)=0
We add all the numbers together, and all the variables
7x-90=0
We move all terms containing x to the left, all other terms to the right
7x=90
x=90/7
x=12+6/7

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