12.1r+19.41=-1.34+13.19+11.7r

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Solution for 12.1r+19.41=-1.34+13.19+11.7r equation: 


Simplifying
12.1r + 19.41 = -1.34 + 13.19 + 11.7r

Reorder the terms:
19.41 + 12.1r = -1.34 + 13.19 + 11.7r

Combine like terms: -1.34 + 13.19 = 11.85
19.41 + 12.1r = 11.85 + 11.7r

Solving
19.41 + 12.1r = 11.85 + 11.7r

Solving for variable 'r'.

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

Add '-11.7r' to each side of the equation.
19.41 + 12.1r + -11.7r = 11.85 + 11.7r + -11.7r

Combine like terms: 12.1r + -11.7r = 0.4r
19.41 + 0.4r = 11.85 + 11.7r + -11.7r

Combine like terms: 11.7r + -11.7r = 0.0
19.41 + 0.4r = 11.85 + 0.0
19.41 + 0.4r = 11.85

Add '-19.41' to each side of the equation.
19.41 + -19.41 + 0.4r = 11.85 + -19.41

Combine like terms: 19.41 + -19.41 = 0.00
0.00 + 0.4r = 11.85 + -19.41
0.4r = 11.85 + -19.41

Combine like terms: 11.85 + -19.41 = -7.56
0.4r = -7.56

Divide each side by '0.4'.
r = -18.9

Simplifying
r = -18.9

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