2r-5=r-12

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Solution for 2r-5=r-12 equation:


Simplifying
2r + -5 = r + -12

Reorder the terms:
-5 + 2r = r + -12

Reorder the terms:
-5 + 2r = -12 + r

Solving
-5 + 2r = -12 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-5 + 2r + -1r = -12 + r + -1r

Combine like terms: 2r + -1r = 1r
-5 + 1r = -12 + r + -1r

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

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

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

Combine like terms: -12 + 5 = -7
1r = -7

Divide each side by '1'.
r = -7

Simplifying
r = -7

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