16.87-15.9r=-18.1r-18.99

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Solution for 16.87-15.9r=-18.1r-18.99 equation: 


Simplifying
16.87 + -15.9r = -18.1r + -18.99

Reorder the terms:
16.87 + -15.9r = -18.99 + -18.1r

Solving
16.87 + -15.9r = -18.99 + -18.1r

Solving for variable 'r'.

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

Add '18.1r' to each side of the equation.
16.87 + -15.9r + 18.1r = -18.99 + -18.1r + 18.1r

Combine like terms: -15.9r + 18.1r = 2.2r
16.87 + 2.2r = -18.99 + -18.1r + 18.1r

Combine like terms: -18.1r + 18.1r = 0.0
16.87 + 2.2r = -18.99 + 0.0
16.87 + 2.2r = -18.99

Add '-16.87' to each side of the equation.
16.87 + -16.87 + 2.2r = -18.99 + -16.87

Combine like terms: 16.87 + -16.87 = 0.00
0.00 + 2.2r = -18.99 + -16.87
2.2r = -18.99 + -16.87

Combine like terms: -18.99 + -16.87 = -35.86
2.2r = -35.86

Divide each side by '2.2'.
r = -16.3

Simplifying
r = -16.3

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