19=4+3r

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Solution for 19=4+3r equation:



19=4+3r
We move all terms to the left:
19-(4+3r)=0
We add all the numbers together, and all the variables
-(3r+4)+19=0
We get rid of parentheses
-3r-4+19=0
We add all the numbers together, and all the variables
-3r+15=0
We move all terms containing r to the left, all other terms to the right
-3r=-15
r=-15/-3
r=+5

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