-6(1-7a)+3a=-141

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Solution for -6(1-7a)+3a=-141 equation:



-6(1-7a)+3a=-141
We move all terms to the left:
-6(1-7a)+3a-(-141)=0
We add all the numbers together, and all the variables
-6(-7a+1)+3a-(-141)=0
We add all the numbers together, and all the variables
3a-6(-7a+1)+141=0
We multiply parentheses
3a+42a-6+141=0
We add all the numbers together, and all the variables
45a+135=0
We move all terms containing a to the left, all other terms to the right
45a=-135
a=-135/45
a=-3

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