50+7x=30+9x

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Solution for 50+7x=30+9x equation: 



50+7x=30+9x

We move all terms to the left:

50+7x-(30+9x)=0

We add all the numbers together, and all the variables

7x-(9x+30)+50=0

We get rid of parentheses

7x-9x-30+50=0

We add all the numbers together, and all the variables

-2x+20=0

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

-2x=-20

x=-20/-2

x=+10

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