13.62+12.2r+2.1r=19.1r+9.9

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Solution for 13.62+12.2r+2.1r=19.1r+9.9 equation: 


Simplifying
13.62 + 12.2r + 2.1r = 19.1r + 9.9

Combine like terms: 12.2r + 2.1r = 14.3r
13.62 + 14.3r = 19.1r + 9.9

Reorder the terms:
13.62 + 14.3r = 9.9 + 19.1r

Solving
13.62 + 14.3r = 9.9 + 19.1r

Solving for variable 'r'.

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

Add '-19.1r' to each side of the equation.
13.62 + 14.3r + -19.1r = 9.9 + 19.1r + -19.1r

Combine like terms: 14.3r + -19.1r = -4.8r
13.62 + -4.8r = 9.9 + 19.1r + -19.1r

Combine like terms: 19.1r + -19.1r = 0.0
13.62 + -4.8r = 9.9 + 0.0
13.62 + -4.8r = 9.9

Add '-13.62' to each side of the equation.
13.62 + -13.62 + -4.8r = 9.9 + -13.62

Combine like terms: 13.62 + -13.62 = 0.00
0.00 + -4.8r = 9.9 + -13.62
-4.8r = 9.9 + -13.62

Combine like terms: 9.9 + -13.62 = -3.72
-4.8r = -3.72

Divide each side by '-4.8'.
r = 0.775

Simplifying
r = 0.775

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