5r-12=-1

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Solution for 5r-12=-1 equation: 


Simplifying
5r + -12 = -1

Reorder the terms:
-12 + 5r = -1

Solving
-12 + 5r = -1

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 5r = -1 + 12

Combine like terms: -12 + 12 = 0
0 + 5r = -1 + 12
5r = -1 + 12

Combine like terms: -1 + 12 = 11
5r = 11

Divide each side by '5'.
r = 2.2

Simplifying
r = 2.2

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