A=100-9x

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Solution for A=100-9x equation:



=100-9A
We move all terms to the left:
-(100-9A)=0
We add all the numbers together, and all the variables
-(-9A+100)=0
We get rid of parentheses
9A-100=0
We move all terms containing A to the left, all other terms to the right
9A=100
A=100/9
A=11+1/9

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