-2r+1.8-4.7r-2.5r+4=

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Solution for -2r+1.8-4.7r-2.5r+4= equation: 


Simplifying
-2r + 1.8 + -4.7r + -2.5r + 4 = 0

Reorder the terms:
1.8 + 4 + -2r + -4.7r + -2.5r = 0

Combine like terms: 1.8 + 4 = 5.8
5.8 + -2r + -4.7r + -2.5r = 0

Combine like terms: -2r + -4.7r = -6.7r
5.8 + -6.7r + -2.5r = 0

Combine like terms: -6.7r + -2.5r = -9.2r
5.8 + -9.2r = 0

Solving
5.8 + -9.2r = 0

Solving for variable 'r'.

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

Add '-5.8' to each side of the equation.
5.8 + -5.8 + -9.2r = 0 + -5.8

Combine like terms: 5.8 + -5.8 = 0.0
0.0 + -9.2r = 0 + -5.8
-9.2r = 0 + -5.8

Combine like terms: 0 + -5.8 = -5.8
-9.2r = -5.8

Divide each side by '-9.2'.
r = 0.6304347826

Simplifying
r = 0.6304347826

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