-28=7x-49

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Solution for -28=7x-49 equation: 



-28=7x-49

We move all terms to the left:

-28-(7x-49)=0

We get rid of parentheses

-7x+49-28=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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