100-5x=20

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Solution for 100-5x=20 equation:



100-5x=20
We move all terms to the left:
100-5x-(20)=0
We add all the numbers together, and all the variables
-5x+80=0
We move all terms containing x to the left, all other terms to the right
-5x=-80
x=-80/-5
x=+16

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