4.20a-3a=34

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Solution for 4.20a-3a=34 equation: 



4.20a-3a=34

We move all terms to the left:

4.20a-3a-(34)=0

We add all the numbers together, and all the variables

1.2a-34=0

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

1.2a=34

a=34/1.2

a=28+0.4/1.2

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