15+r=3.92

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Solution for 15+r=3.92 equation: 


Simplifying
15 + r = 3.92

Solving
15 + r = 3.92

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + r = 3.92 + -15

Combine like terms: 15 + -15 = 0
0 + r = 3.92 + -15
r = 3.92 + -15

Combine like terms: 3.92 + -15 = -11.08
r = -11.08

Simplifying
r = -11.08

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