8(1-5r)=-312

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Solution for 8(1-5r)=-312 equation: 



8(1-5r)=-312

We move all terms to the left:

8(1-5r)-(-312)=0

We add all the numbers together, and all the variables

8(-5r+1)-(-312)=0

We add all the numbers together, and all the variables

8(-5r+1)+312=0

We multiply parentheses

-40r+8+312=0

We add all the numbers together, and all the variables

-40r+320=0

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

-40r=-320

r=-320/-40

r=+8

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