2r+12/8=4r-36/4

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Solution for 2r+12/8=4r-36/4 equation:



2r+12/8=4r-36/4
We move all terms to the left:
2r+12/8-(4r-36/4)=0
We add all the numbers together, and all the variables
2r-(4r-9)+12/8=0
We get rid of parentheses
2r-4r+9+12/8=0
We multiply all the terms by the denominator
2r*8-4r*8+12+9*8=0
We add all the numbers together, and all the variables
2r*8-4r*8+84=0
Wy multiply elements
16r-32r+84=0
We add all the numbers together, and all the variables
-16r+84=0
We move all terms containing r to the left, all other terms to the right
-16r=-84
r=-84/-16
r=5+1/4

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