7(-x)+50=3x

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Solution for 7(-x)+50=3x equation: 



7(-x)+50=3x

We move all terms to the left:

7(-x)+50-(3x)=0

We add all the numbers together, and all the variables

7(-1x)-3x+50=0

We add all the numbers together, and all the variables

-3x+7(-1x)+50=0

We multiply parentheses

-3x-7x+50=0

We add all the numbers together, and all the variables

-10x+50=0

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

-10x=-50

x=-50/-10

x=+5

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