-143=3(5r-8)+1

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Solution for -143=3(5r-8)+1 equation: 



-143=3(5r-8)+1

We move all terms to the left:

-143-(3(5r-8)+1)=0



We calculate terms in parentheses: -(3(5r-8)+1), so:

3(5r-8)+1

We multiply parentheses

15r-24+1

We add all the numbers together, and all the variables

15r-23

Back to the equation:

-(15r-23)



We get rid of parentheses

-15r+23-143=0

We add all the numbers together, and all the variables

-15r-120=0

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

-15r=120

r=120/-15

r=-8

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