75=x+20

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Solution for 75=x+20 equation:



75=x+20
We move all terms to the left:
75-(x+20)=0
We get rid of parentheses
-x-20+75=0
We add all the numbers together, and all the variables
-1x+55=0
We move all terms containing x to the left, all other terms to the right
-x=-55
x=-55/-1
x=+55

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