-20+3(8r-19)=17r

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Solution for -20+3(8r-19)=17r equation:


Simplifying
-20 + 3(8r + -19) = 17r

Reorder the terms:
-20 + 3(-19 + 8r) = 17r
-20 + (-19 * 3 + 8r * 3) = 17r
-20 + (-57 + 24r) = 17r

Combine like terms: -20 + -57 = -77
-77 + 24r = 17r

Solving
-77 + 24r = 17r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-17r' to each side of the equation.
-77 + 24r + -17r = 17r + -17r

Combine like terms: 24r + -17r = 7r
-77 + 7r = 17r + -17r

Combine like terms: 17r + -17r = 0
-77 + 7r = 0

Add '77' to each side of the equation.
-77 + 77 + 7r = 0 + 77

Combine like terms: -77 + 77 = 0
0 + 7r = 0 + 77
7r = 0 + 77

Combine like terms: 0 + 77 = 77
7r = 77

Divide each side by '7'.
r = 11

Simplifying
r = 11

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