0.9(a-20)=830

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Solution for 0.9(a-20)=830 equation: 



0.9(a-20)=830

We move all terms to the left:

0.9(a-20)-(830)=0

We multiply parentheses

0.9a-18-830=0

We add all the numbers together, and all the variables

0.9a-848=0

We move all terms containing a to the left, all other terms to the right

0.9a=848

a=848/0.9

a=942+0.19999999999993/0.9

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