(x+10)+(x-10)=90

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Solution for (x+10)+(x-10)=90 equation:



(x+10)+(x-10)=90
We move all terms to the left:
(x+10)+(x-10)-(90)=0
We get rid of parentheses
x+x+10-10-90=0
We add all the numbers together, and all the variables
2x-90=0
We move all terms containing x to the left, all other terms to the right
2x=90
x=90/2
x=45

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