8(2+5r)=-144

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Solution for 8(2+5r)=-144 equation: 


Simplifying
8(2 + 5r) = -144
(2 * 8 + 5r * 8) = -144
(16 + 40r) = -144

Solving
16 + 40r = -144

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + 40r = -144 + -16

Combine like terms: 16 + -16 = 0
0 + 40r = -144 + -16
40r = -144 + -16

Combine like terms: -144 + -16 = -160
40r = -160

Divide each side by '40'.
r = -4

Simplifying
r = -4

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