8+16r-1=9r+105-7r

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Solution for 8+16r-1=9r+105-7r equation:



8+16r-1=9r+105-7r
We move all terms to the left:
8+16r-1-(9r+105-7r)=0
We add all the numbers together, and all the variables
16r-(2r+105)+8-1=0
We add all the numbers together, and all the variables
16r-(2r+105)+7=0
We get rid of parentheses
16r-2r-105+7=0
We add all the numbers together, and all the variables
14r-98=0
We move all terms containing r to the left, all other terms to the right
14r=98
r=98/14
r=7

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