5r-15=-45

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Solution for 5r-15=-45 equation: 


Simplifying
5r + -15 = -45

Reorder the terms:
-15 + 5r = -45

Solving
-15 + 5r = -45

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 + 5r = -45 + 15

Combine like terms: -15 + 15 = 0
0 + 5r = -45 + 15
5r = -45 + 15

Combine like terms: -45 + 15 = -30
5r = -30

Divide each side by '5'.
r = -6

Simplifying
r = -6

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