15=2r+17

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Solution for 15=2r+17 equation:


Simplifying
15 = 2r + 17

Reorder the terms:
15 = 17 + 2r

Solving
15 = 17 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
15 + -2r = 17 + 2r + -2r

Combine like terms: 2r + -2r = 0
15 + -2r = 17 + 0
15 + -2r = 17

Add '-15' to each side of the equation.
15 + -15 + -2r = 17 + -15

Combine like terms: 15 + -15 = 0
0 + -2r = 17 + -15
-2r = 17 + -15

Combine like terms: 17 + -15 = 2
-2r = 2

Divide each side by '-2'.
r = -1

Simplifying
r = -1

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