90=64+x+x

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Solution for 90=64+x+x equation:



90=64+x+x
We move all terms to the left:
90-(64+x+x)=0
We add all the numbers together, and all the variables
-(2x+64)+90=0
We get rid of parentheses
-2x-64+90=0
We add all the numbers together, and all the variables
-2x+26=0
We move all terms containing x to the left, all other terms to the right
-2x=-26
x=-26/-2
x=+13

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