3x-17=5x+21=90

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Solution for 3x-17=5x+21=90 equation:



3x-17=5x+21=90
We move all terms to the left:
3x-17-(5x+21)=0
We get rid of parentheses
3x-5x-21-17=0
We add all the numbers together, and all the variables
-2x-38=0
We move all terms containing x to the left, all other terms to the right
-2x=38
x=38/-2
x=-19

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