-3(7r-6)+8(5r+5)=

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Solution for -3(7r-6)+8(5r+5)= equation: 


Simplifying
-3(7r + -6) + 8(5r + 5) = 0

Reorder the terms:
-3(-6 + 7r) + 8(5r + 5) = 0
(-6 * -3 + 7r * -3) + 8(5r + 5) = 0
(18 + -21r) + 8(5r + 5) = 0

Reorder the terms:
18 + -21r + 8(5 + 5r) = 0
18 + -21r + (5 * 8 + 5r * 8) = 0
18 + -21r + (40 + 40r) = 0

Reorder the terms:
18 + 40 + -21r + 40r = 0

Combine like terms: 18 + 40 = 58
58 + -21r + 40r = 0

Combine like terms: -21r + 40r = 19r
58 + 19r = 0

Solving
58 + 19r = 0

Solving for variable 'r'.

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

Add '-58' to each side of the equation.
58 + -58 + 19r = 0 + -58

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

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

Divide each side by '19'.
r = -3.052631579

Simplifying
r = -3.052631579

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