7x-2x=50-x

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Solution for 7x-2x=50-x equation: 



7x-2x=50-x

We move all terms to the left:

7x-2x-(50-x)=0

We add all the numbers together, and all the variables

7x-2x-(-1x+50)=0

We add all the numbers together, and all the variables

5x-(-1x+50)=0

We get rid of parentheses

5x+1x-50=0

We add all the numbers together, and all the variables

6x-50=0

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

6x=50

x=50/6

x=8+1/3

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