-15-r=-28

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Solution for -15-r=-28 equation:


Simplifying
-15 + -1r = -28

Solving
-15 + -1r = -28

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 = -28 + 15

Combine like terms: -15 + 15 = 0
0 + -1r = -28 + 15
-1r = -28 + 15

Combine like terms: -28 + 15 = -13
-1r = -13

Divide each side by '-1'.
r = 13

Simplifying
r = 13

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