6(1+3r)=2(10+-9)-4r

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Solution for 6(1+3r)=2(10+-9)-4r equation:



6(1+3r)=2(10+-9)-4r
We move all terms to the left:
6(1+3r)-(2(10+-9)-4r)=0
We add all the numbers together, and all the variables
6(3r+1)-(21-4r)=0
We multiply parentheses
18r-(21-4r)+6=0
We get rid of parentheses
18r+4r-21+6=0
We add all the numbers together, and all the variables
22r-15=0
We move all terms containing r to the left, all other terms to the right
22r=15
r=15/22
r=15/22

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