-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(1 + -7r) = -5 + 3.7
-0.3r + (1 * -1 + -7r * -1) = -5 + 3.7
-0.3r + (-1 + 7r) = -5 + 3.7

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

Combine like terms: -0.3r + 7r = 6.7r
-1 + 6.7r = -5 + 3.7

Combine like terms: -5 + 3.7 = -1.3
-1 + 6.7r = -1.3

Solving
-1 + 6.7r = -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 + 6.7r = -1.3 + 1

Combine like terms: -1 + 1 = 0
0 + 6.7r = -1.3 + 1
6.7r = -1.3 + 1

Combine like terms: -1.3 + 1 = -0.3
6.7r = -0.3

Divide each side by '6.7'.
r = -0.0447761194

Simplifying
r = -0.0447761194

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