360=-20r

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Solution for 360=-20r equation:


Simplifying
360 = -20r

Solving
360 = -20r

Solving for variable 'r'.

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

Add '20r' to each side of the equation.
360 + 20r = -20r + 20r

Combine like terms: -20r + 20r = 0
360 + 20r = 0

Add '-360' to each side of the equation.
360 + -360 + 20r = 0 + -360

Combine like terms: 360 + -360 = 0
0 + 20r = 0 + -360
20r = 0 + -360

Combine like terms: 0 + -360 = -360
20r = -360

Divide each side by '20'.
r = -18

Simplifying
r = -18

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