90-x=7x-2

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Solution for 90-x=7x-2 equation:



90-x=7x-2
We move all terms to the left:
90-x-(7x-2)=0
We add all the numbers together, and all the variables
-1x-(7x-2)+90=0
We get rid of parentheses
-1x-7x+2+90=0
We add all the numbers together, and all the variables
-8x+92=0
We move all terms containing x to the left, all other terms to the right
-8x=-92
x=-92/-8
x=11+1/2

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