8x-3x-4=9+x+3

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Solution for 8x-3x-4=9+x+3 equation:



8x-3x-4=9+x+3
We move all terms to the left:
8x-3x-4-(9+x+3)=0
We add all the numbers together, and all the variables
8x-3x-(x+12)-4=0
We add all the numbers together, and all the variables
5x-(x+12)-4=0
We get rid of parentheses
5x-x-12-4=0
We add all the numbers together, and all the variables
4x-16=0
We move all terms containing x to the left, all other terms to the right
4x=16
x=16/4
x=4

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