-5r+2(8r+8)=5r-20

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Solution for -5r+2(8r+8)=5r-20 equation: 


Simplifying
-5r + 2(8r + 8) = 5r + -20

Reorder the terms:
-5r + 2(8 + 8r) = 5r + -20
-5r + (8 * 2 + 8r * 2) = 5r + -20
-5r + (16 + 16r) = 5r + -20

Reorder the terms:
16 + -5r + 16r = 5r + -20

Combine like terms: -5r + 16r = 11r
16 + 11r = 5r + -20

Reorder the terms:
16 + 11r = -20 + 5r

Solving
16 + 11r = -20 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
16 + 11r + -5r = -20 + 5r + -5r

Combine like terms: 11r + -5r = 6r
16 + 6r = -20 + 5r + -5r

Combine like terms: 5r + -5r = 0
16 + 6r = -20 + 0
16 + 6r = -20

Add '-16' to each side of the equation.
16 + -16 + 6r = -20 + -16

Combine like terms: 16 + -16 = 0
0 + 6r = -20 + -16
6r = -20 + -16

Combine like terms: -20 + -16 = -36
6r = -36

Divide each side by '6'.
r = -6

Simplifying
r = -6

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