3(4+4r)-4=80

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Solution for 3(4+4r)-4=80 equation:



3(4+4r)-4=80
We move all terms to the left:
3(4+4r)-4-(80)=0
We add all the numbers together, and all the variables
3(4r+4)-4-80=0
We add all the numbers together, and all the variables
3(4r+4)-84=0
We multiply parentheses
12r+12-84=0
We add all the numbers together, and all the variables
12r-72=0
We move all terms containing r to the left, all other terms to the right
12r=72
r=72/12
r=6

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