-45=4-7x

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Solution for -45=4-7x equation: 



-45=4-7x

We move all terms to the left:

-45-(4-7x)=0

We add all the numbers together, and all the variables

-(-7x+4)-45=0

We get rid of parentheses

7x-4-45=0

We add all the numbers together, and all the variables

7x-49=0

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

7x=49

x=49/7

x=7

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