2a=3a+7a-7

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



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

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