2x+9-9=87-9

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Solution for 2x+9-9=87-9 equation:



2x+9-9=87-9
We move all terms to the left:
2x+9-9-(87-9)=0
We add all the numbers together, and all the variables
2x+9-9-78=0
We add all the numbers together, and all the variables
2x-78=0
We move all terms containing x to the left, all other terms to the right
2x=78
x=78/2
x=39

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