(4x)+x=90

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Solution for (4x)+x=90 equation:



(4x)+x=90
We move all terms to the left:
(4x)+x-(90)=0
We add all the numbers together, and all the variables
5x-90=0
We move all terms containing x to the left, all other terms to the right
5x=90
x=90/5
x=18

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