-19=-5(7r+2)+8(6r-6)

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Solution for -19=-5(7r+2)+8(6r-6) equation:


Simplifying
-19 = -5(7r + 2) + 8(6r + -6)

Reorder the terms:
-19 = -5(2 + 7r) + 8(6r + -6)
-19 = (2 * -5 + 7r * -5) + 8(6r + -6)
-19 = (-10 + -35r) + 8(6r + -6)

Reorder the terms:
-19 = -10 + -35r + 8(-6 + 6r)
-19 = -10 + -35r + (-6 * 8 + 6r * 8)
-19 = -10 + -35r + (-48 + 48r)

Reorder the terms:
-19 = -10 + -48 + -35r + 48r

Combine like terms: -10 + -48 = -58
-19 = -58 + -35r + 48r

Combine like terms: -35r + 48r = 13r
-19 = -58 + 13r

Solving
-19 = -58 + 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
-19 + -13r = -58 + 13r + -13r

Combine like terms: 13r + -13r = 0
-19 + -13r = -58 + 0
-19 + -13r = -58

Add '19' to each side of the equation.
-19 + 19 + -13r = -58 + 19

Combine like terms: -19 + 19 = 0
0 + -13r = -58 + 19
-13r = -58 + 19

Combine like terms: -58 + 19 = -39
-13r = -39

Divide each side by '-13'.
r = 3

Simplifying
r = 3

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