15r+3=18

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Solution for 15r+3=18 equation: 



15r+3=18

We move all terms to the left:

15r+3-(18)=0

We add all the numbers together, and all the variables

15r-15=0

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

15r=15

r=15/15

r=1

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