3(r+8)=78

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Solution for 3(r+8)=78 equation:



3(r+8)=78
We move all terms to the left:
3(r+8)-(78)=0
We multiply parentheses
3r+24-78=0
We add all the numbers together, and all the variables
3r-54=0
We move all terms containing r to the left, all other terms to the right
3r=54
r=54/3
r=18

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