2r+12r+-1=-15

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Solution for 2r+12r+-1=-15 equation:


Simplifying
2r + 12r + -1 = -15

Reorder the terms:
-1 + 2r + 12r = -15

Combine like terms: 2r + 12r = 14r
-1 + 14r = -15

Solving
-1 + 14r = -15

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 14r = -15 + 1

Combine like terms: -1 + 1 = 0
0 + 14r = -15 + 1
14r = -15 + 1

Combine like terms: -15 + 1 = -14
14r = -14

Divide each side by '14'.
r = -1

Simplifying
r = -1

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