3(5+r)=66

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Solution for 3(5+r)=66 equation:



3(5+r)=66
We move all terms to the left:
3(5+r)-(66)=0
We add all the numbers together, and all the variables
3(r+5)-66=0
We multiply parentheses
3r+15-66=0
We add all the numbers together, and all the variables
3r-51=0
We move all terms containing r to the left, all other terms to the right
3r=51
r=51/3
r=17

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