-3x+100=7x

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Solution for -3x+100=7x equation: 



-3x+100=7x

We move all terms to the left:

-3x+100-(7x)=0

We add all the numbers together, and all the variables

-10x+100=0

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

-10x=-100

x=-100/-10

x=+10

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