3(a-1)=2a+9

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Solution for 3(a-1)=2a+9 equation:



3(a-1)=2a+9
We move all terms to the left:
3(a-1)-(2a+9)=0
We multiply parentheses
3a-(2a+9)-3=0
We get rid of parentheses
3a-2a-9-3=0
We add all the numbers together, and all the variables
a-12=0
We move all terms containing a to the left, all other terms to the right
a=12

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