45=-7x-4

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Solution for 45=-7x-4 equation: 



45=-7x-4

We move all terms to the left:

45-(-7x-4)=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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