(a+20)+-1(a+-20)=0

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Solution for (a+20)+-1(a+-20)=0 equation:



(a+20)+-1(a+-20)=0
We add all the numbers together, and all the variables
(a+20)-1(a-20)+=0
We add all the numbers together, and all the variables
(a+20)-1(a-20)=0
We get rid of parentheses
a-1(a-20)+20=0
We move all terms containing a to the left, all other terms to the right
a-1(a-20)=-20

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