-7(-7r-6)+3(1-8r)=-5

Solution for -7(-7r-6)+3(1-8r)=-5 equation:

Simplifying
-7(-7r + -6) + 3(1 + -8r) = -5

Reorder the terms:
-7(-6 + -7r) + 3(1 + -8r) = -5
(-6 * -7 + -7r * -7) + 3(1 + -8r) = -5
(42 + 49r) + 3(1 + -8r) = -5
42 + 49r + (1 * 3 + -8r * 3) = -5
42 + 49r + (3 + -24r) = -5

Reorder the terms:
42 + 3 + 49r + -24r = -5

Combine like terms: 42 + 3 = 45
45 + 49r + -24r = -5

Combine like terms: 49r + -24r = 25r
45 + 25r = -5

Solving
45 + 25r = -5

Solving for variable 'r'.

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

Add '-45' to each side of the equation.
45 + -45 + 25r = -5 + -45

Combine like terms: 45 + -45 = 0
0 + 25r = -5 + -45
25r = -5 + -45

Combine like terms: -5 + -45 = -50
25r = -50

Divide each side by '25'.
r = -2

Simplifying
r = -2