7a+3a=12+2a

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Solution for 7a+3a=12+2a equation:



7a+3a=12+2a
We move all terms to the left:
7a+3a-(12+2a)=0
We add all the numbers together, and all the variables
7a+3a-(2a+12)=0
We add all the numbers together, and all the variables
10a-(2a+12)=0
We get rid of parentheses
10a-2a-12=0
We add all the numbers together, and all the variables
8a-12=0
We move all terms containing a to the left, all other terms to the right
8a=12
a=12/8
a=1+1/2

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