15-4r=-2

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Solution for 15-4r=-2 equation: 


Simplifying
15 + -4r = -2

Solving
15 + -4r = -2

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 + -4r = -2 + -15

Combine like terms: 15 + -15 = 0
0 + -4r = -2 + -15
-4r = -2 + -15

Combine like terms: -2 + -15 = -17
-4r = -17

Divide each side by '-4'.
r = 4.25

Simplifying
r = 4.25

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