-2r+5=-15

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Solution for -2r+5=-15 equation: 


Simplifying
-2r + 5 = -15

Reorder the terms:
5 + -2r = -15

Solving
5 + -2r = -15

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + -2r = -15 + -5

Combine like terms: 5 + -5 = 0
0 + -2r = -15 + -5
-2r = -15 + -5

Combine like terms: -15 + -5 = -20
-2r = -20

Divide each side by '-2'.
r = 10

Simplifying
r = 10

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