49=(7+7+7+7+7+7+7+7+7+7)-(7x)

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Solution for 49=(7+7+7+7+7+7+7+7+7+7)-(7x) equation: 



49=(7+7+7+7+7+7+7+7+7+7)-(7x)

We move all terms to the left:

49-((7+7+7+7+7+7+7+7+7+7)-(7x))=0

We add all the numbers together, and all the variables

-(70-7x)+49=0

We get rid of parentheses

7x-70+49=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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