-8(r+10)+20=-10

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Solution for -8(r+10)+20=-10 equation:


Simplifying
-8(r + 10) + 20 = -10

Reorder the terms:
-8(10 + r) + 20 = -10
(10 * -8 + r * -8) + 20 = -10
(-80 + -8r) + 20 = -10

Reorder the terms:
-80 + 20 + -8r = -10

Combine like terms: -80 + 20 = -60
-60 + -8r = -10

Solving
-60 + -8r = -10

Solving for variable 'r'.

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

Add '60' to each side of the equation.
-60 + 60 + -8r = -10 + 60

Combine like terms: -60 + 60 = 0
0 + -8r = -10 + 60
-8r = -10 + 60

Combine like terms: -10 + 60 = 50
-8r = 50

Divide each side by '-8'.
r = -6.25

Simplifying
r = -6.25

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