-9x-4=-7+8

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Solution for -9x-4=-7+8 equation: 



-9x-4=-7+8

We move all terms to the left:

-9x-4-(-7+8)=0

We add all the numbers together, and all the variables

-9x-4-1=0

We add all the numbers together, and all the variables

-9x-5=0

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

-9x=5

x=5/-9

x=-5/9

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