7r+23=15r-9

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Solution for 7r+23=15r-9 equation:



7r+23=15r-9
We move all terms to the left:
7r+23-(15r-9)=0
We get rid of parentheses
7r-15r+9+23=0
We add all the numbers together, and all the variables
-8r+32=0
We move all terms containing r to the left, all other terms to the right
-8r=-32
r=-32/-8
r=+4

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