15=2r+11

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Solution for 15=2r+11 equation:


Simplifying
15 = 2r + 11

Reorder the terms:
15 = 11 + 2r

Solving
15 = 11 + 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 = 11 + 2r + -2r

Combine like terms: 2r + -2r = 0
15 + -2r = 11 + 0
15 + -2r = 11

Add '-15' to each side of the equation.
15 + -15 + -2r = 11 + -15

Combine like terms: 15 + -15 = 0
0 + -2r = 11 + -15
-2r = 11 + -15

Combine like terms: 11 + -15 = -4
-2r = -4

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

Simplifying
r = 2

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