3a=12.10-a=

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Solution for 3a=12.10-a= equation: 



3a=12.10-a=

We move all terms to the left:

3a-(12.10-a)=0

We add all the numbers together, and all the variables

3a-(-1a+12.1)=0

We get rid of parentheses

3a+1a-12.1=0

We add all the numbers together, and all the variables

4a-12.1=0

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

4a=12.1

a=12.1/4

a=3+0.1/4

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