2r-9=7

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Solution for 2r-9=7 equation:



2r-9=7
We move all terms to the left:
2r-9-(7)=0
We add all the numbers together, and all the variables
2r-16=0
We move all terms containing r to the left, all other terms to the right
2r=16
r=16/2
r=8

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