31-9x=4

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Solution for 31-9x=4 equation:



31-9x=4
We move all terms to the left:
31-9x-(4)=0
We add all the numbers together, and all the variables
-9x+27=0
We move all terms containing x to the left, all other terms to the right
-9x=-27
x=-27/-9
x=+3

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