3(1-9a)=2(2a-9)-15

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Solution for 3(1-9a)=2(2a-9)-15 equation:



3(1-9a)=2(2a-9)-15
We move all terms to the left:
3(1-9a)-(2(2a-9)-15)=0
We add all the numbers together, and all the variables
3(-9a+1)-(2(2a-9)-15)=0
We multiply parentheses
-27a-(2(2a-9)-15)+3=0
We calculate terms in parentheses: -(2(2a-9)-15), so:
2(2a-9)-15
We multiply parentheses
4a-18-15
We add all the numbers together, and all the variables
4a-33
Back to the equation:
-(4a-33)
We get rid of parentheses
-27a-4a+33+3=0
We add all the numbers together, and all the variables
-31a+36=0
We move all terms containing a to the left, all other terms to the right
-31a=-36
a=-36/-31
a=1+5/31

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