-4x-3x=-21

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Solution for -4x-3x=-21 equation:



-4x-3x=-21
We move all terms to the left:
-4x-3x-(-21)=0
We add all the numbers together, and all the variables
-7x+21=0
We move all terms containing x to the left, all other terms to the right
-7x=-21
x=-21/-7
x=+3

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