0.3r-1+7r=-5+3.7

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Solution for 0.3r-1+7r=-5+3.7 equation:


Simplifying
0.3r + -1 + 7r = -5 + 3.7

Reorder the terms:
-1 + 0.3r + 7r = -5 + 3.7

Combine like terms: 0.3r + 7r = 7.3r
-1 + 7.3r = -5 + 3.7

Combine like terms: -5 + 3.7 = -1.3
-1 + 7.3r = -1.3

Solving
-1 + 7.3r = -1.3

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 7.3r = -1.3 + 1

Combine like terms: -1 + 1 = 0
0 + 7.3r = -1.3 + 1
7.3r = -1.3 + 1

Combine like terms: -1.3 + 1 = -0.3
7.3r = -0.3

Divide each side by '7.3'.
r = -0.04109589041

Simplifying
r = -0.04109589041

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