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

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



-3(a-1)-3=-9
We move all terms to the left:
-3(a-1)-3-(-9)=0
We add all the numbers together, and all the variables
-3(a-1)+6=0
We multiply parentheses
-3a+3+6=0
We add all the numbers together, and all the variables
-3a+9=0
We move all terms containing a to the left, all other terms to the right
-3a=-9
a=-9/-3
a=+3

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