2(10r-7)-2(1=10r)=r+2r

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Solution for 2(10r-7)-2(1=10r)=r+2r equation: 



2(10r-7)-2(1=10r)=r+2r

We move all terms to the left:

2(10r-7)-2(1-(10r))=0

We add all the numbers together, and all the variables

2(10r-7)-2(-10r+1)=0

We multiply parentheses

20r+20r-14-2=0

We add all the numbers together, and all the variables

40r-16=0

We move all terms containing r to the left, all other terms to the right

40r=16

r=16/40

r=2/5

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