0.9a=0.9+0.7a

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Solution for 0.9a=0.9+0.7a equation: 



0.9a=0.9+0.7a

We move all terms to the left:

0.9a-(0.9+0.7a)=0

We add all the numbers together, and all the variables

0.9a-(0.7a+0.9)=0

We get rid of parentheses

0.9a-0.7a-0.9=0

We add all the numbers together, and all the variables

0.2a-0.9=0

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

0.2a=0.9

a=0.9/0.2

a=4+0.1/0.2

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