20+40r=32-2r

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Solution for 20+40r=32-2r equation: 



20+40r=32-2r

We move all terms to the left:

20+40r-(32-2r)=0

We add all the numbers together, and all the variables

40r-(-2r+32)+20=0

We get rid of parentheses

40r+2r-32+20=0

We add all the numbers together, and all the variables

42r-12=0

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

42r=12

r=12/42

r=2/7

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