18-2x=90

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Solution for 18-2x=90 equation:



18-2x=90
We move all terms to the left:
18-2x-(90)=0
We add all the numbers together, and all the variables
-2x-72=0
We move all terms containing x to the left, all other terms to the right
-2x=72
x=72/-2
x=-36

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