5x+5x+5x+6x+7x+8x=720

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Solution for 5x+5x+5x+6x+7x+8x=720 equation: 



5x+5x+5x+6x+7x+8x=720

We move all terms to the left:

5x+5x+5x+6x+7x+8x-(720)=0

We add all the numbers together, and all the variables

36x-720=0

We move all terms containing x to the left, all other terms to the right

36x=720

x=720/36

x=20

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