a+a*20=100

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Solution for a+a*20=100 equation:



a+a*20=100
We move all terms to the left:
a+a*20-(100)=0
Wy multiply elements
a+20a-100=0
We add all the numbers together, and all the variables
21a-100=0
We move all terms containing a to the left, all other terms to the right
21a=100
a=100/21
a=4+16/21

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