5x+2x=820

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Solution for 5x+2x=820 equation: 



5x+2x=820

We move all terms to the left:

5x+2x-(820)=0

We add all the numbers together, and all the variables

7x-820=0

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

7x=820

x=820/7

x=117+1/7

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