9x+8x+x=720

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Solution for 9x+8x+x=720 equation:



9x+8x+x=720
We move all terms to the left:
9x+8x+x-(720)=0
We add all the numbers together, and all the variables
18x-720=0
We move all terms containing x to the left, all other terms to the right
18x=720
x=720/18
x=40

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