8(2-4r)-7=-15-8r

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Solution for 8(2-4r)-7=-15-8r equation: 



8(2-4r)-7=-15-8r

We move all terms to the left:

8(2-4r)-7-(-15-8r)=0

We add all the numbers together, and all the variables

8(-4r+2)-(-8r-15)-7=0

We multiply parentheses

-32r-(-8r-15)+16-7=0

We get rid of parentheses

-32r+8r+15+16-7=0

We add all the numbers together, and all the variables

-24r+24=0

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

-24r=-24

r=-24/-24

r=1

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