-3r+0.7-3.7r+2.1r+2=

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Solution for -3r+0.7-3.7r+2.1r+2= equation: 


Simplifying
-3r + 0.7 + -3.7r + 2.1r + 2 = 0

Reorder the terms:
0.7 + 2 + -3r + -3.7r + 2.1r = 0

Combine like terms: 0.7 + 2 = 2.7
2.7 + -3r + -3.7r + 2.1r = 0

Combine like terms: -3r + -3.7r = -6.7r
2.7 + -6.7r + 2.1r = 0

Combine like terms: -6.7r + 2.1r = -4.6r
2.7 + -4.6r = 0

Solving
2.7 + -4.6r = 0

Solving for variable 'r'.

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

Add '-2.7' to each side of the equation.
2.7 + -2.7 + -4.6r = 0 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + -4.6r = 0 + -2.7
-4.6r = 0 + -2.7

Combine like terms: 0 + -2.7 = -2.7
-4.6r = -2.7

Divide each side by '-4.6'.
r = 0.5869565217

Simplifying
r = 0.5869565217

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