-7x+6x-12=-21

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Solution for -7x+6x-12=-21 equation:



-7x+6x-12=-21
We move all terms to the left:
-7x+6x-12-(-21)=0
We add all the numbers together, and all the variables
-1x+9=0
We move all terms containing x to the left, all other terms to the right
-x=-9
x=-9/-1
x=+9

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