-5(1-5r)+7r=219

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Solution for -5(1-5r)+7r=219 equation: 



-5(1-5r)+7r=219

We move all terms to the left:

-5(1-5r)+7r-(219)=0

We add all the numbers together, and all the variables

-5(-5r+1)+7r-219=0

We add all the numbers together, and all the variables

7r-5(-5r+1)-219=0

We multiply parentheses

7r+25r-5-219=0

We add all the numbers together, and all the variables

32r-224=0

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

32r=224

r=224/32

r=7

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