7x+2x=-45

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Solution for 7x+2x=-45 equation: 



7x+2x=-45

We move all terms to the left:

7x+2x-(-45)=0

We add all the numbers together, and all the variables

9x+45=0

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

9x=-45

x=-45/9

x=-5

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