r-13.6=-2r-1

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Solution for r-13.6=-2r-1 equation:


Simplifying
r + -13.6 = -2r + -1

Reorder the terms:
-13.6 + r = -2r + -1

Reorder the terms:
-13.6 + r = -1 + -2r

Solving
-13.6 + r = -1 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
-13.6 + r + 2r = -1 + -2r + 2r

Combine like terms: r + 2r = 3r
-13.6 + 3r = -1 + -2r + 2r

Combine like terms: -2r + 2r = 0
-13.6 + 3r = -1 + 0
-13.6 + 3r = -1

Add '13.6' to each side of the equation.
-13.6 + 13.6 + 3r = -1 + 13.6

Combine like terms: -13.6 + 13.6 = 0.0
0.0 + 3r = -1 + 13.6
3r = -1 + 13.6

Combine like terms: -1 + 13.6 = 12.6
3r = 12.6

Divide each side by '3'.
r = 4.2

Simplifying
r = 4.2

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