3x-x+7+12=3x+9

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Solution for 3x-x+7+12=3x+9 equation:



3x-x+7+12=3x+9
We move all terms to the left:
3x-x+7+12-(3x+9)=0
We add all the numbers together, and all the variables
2x-(3x+9)+19=0
We get rid of parentheses
2x-3x-9+19=0
We add all the numbers together, and all the variables
-1x+10=0
We move all terms containing x to the left, all other terms to the right
-x=-10
x=-10/-1
x=+10

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