-5r+3.8-3.4r+3.7r-3=

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Solution for -5r+3.8-3.4r+3.7r-3= equation: 


Simplifying
-5r + 3.8 + -3.4r + 3.7r + -3 = 0

Reorder the terms:
3.8 + -3 + -5r + -3.4r + 3.7r = 0

Combine like terms: 3.8 + -3 = 0.8
0.8 + -5r + -3.4r + 3.7r = 0

Combine like terms: -5r + -3.4r = -8.4r
0.8 + -8.4r + 3.7r = 0

Combine like terms: -8.4r + 3.7r = -4.7r
0.8 + -4.7r = 0

Solving
0.8 + -4.7r = 0

Solving for variable 'r'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + -4.7r = 0 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -4.7r = 0 + -0.8
-4.7r = 0 + -0.8

Combine like terms: 0 + -0.8 = -0.8
-4.7r = -0.8

Divide each side by '-4.7'.
r = 0.170212766

Simplifying
r = 0.170212766

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