7x-5x=(-9)-(+9)

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Solution for 7x-5x=(-9)-(+9) equation: 



7x-5x=(-9)-(+9)

We move all terms to the left:

7x-5x-((-9)-(+9))=0

We add all the numbers together, and all the variables

7x-5x-((-9)-9)=0

We add all the numbers together, and all the variables

2x+18=0

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

2x=-18

x=-18/2

x=-9

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