2r-5=12r

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Solution for 2r-5=12r equation:


Simplifying
2r + -5 = 12r

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

Solving
-5 + 2r = 12r

Solving for variable 'r'.

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

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

Combine like terms: 2r + -12r = -10r
-5 + -10r = 12r + -12r

Combine like terms: 12r + -12r = 0
-5 + -10r = 0

Add '5' to each side of the equation.
-5 + 5 + -10r = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -10r = 0 + 5
-10r = 0 + 5

Combine like terms: 0 + 5 = 5
-10r = 5

Divide each side by '-10'.
r = -0.5

Simplifying
r = -0.5

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