12-9x=4x-78

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Solution for 12-9x=4x-78 equation:



12-9x=4x-78
We move all terms to the left:
12-9x-(4x-78)=0
We get rid of parentheses
-9x-4x+78+12=0
We add all the numbers together, and all the variables
-13x+90=0
We move all terms containing x to the left, all other terms to the right
-13x=-90
x=-90/-13
x=6+12/13

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