8(5-4r)=8r

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Solution for 8(5-4r)=8r equation: 



8(5-4r)=8r

We move all terms to the left:

8(5-4r)-(8r)=0

We add all the numbers together, and all the variables

8(-4r+5)-8r=0

We add all the numbers together, and all the variables

-8r+8(-4r+5)=0

We multiply parentheses

-8r-32r+40=0

We add all the numbers together, and all the variables

-40r+40=0

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

-40r=-40

r=-40/-40

r=1

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