7x-12-8-5x=-9-7

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Solution for 7x-12-8-5x=-9-7 equation: 



7x-12-8-5x=-9-7

We move all terms to the left:

7x-12-8-5x-(-9-7)=0

We add all the numbers together, and all the variables

7x-5x-12-8-(-16)=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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