15-r=56

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Solution for 15-r=56 equation:


Simplifying
15 + -1r = 56

Solving
15 + -1r = 56

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 + -1r = 56 + -15

Combine like terms: 15 + -15 = 0
0 + -1r = 56 + -15
-1r = 56 + -15

Combine like terms: 56 + -15 = 41
-1r = 41

Divide each side by '-1'.
r = -41

Simplifying
r = -41

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