x+7x=300

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Solution for x+7x=300 equation: 



x+7x=300

We move all terms to the left:

x+7x-(300)=0

We add all the numbers together, and all the variables

8x-300=0

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

8x=300

x=300/8

x=37+1/2

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