-1.8(-5r+7)-0.2r=

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Solution for -1.8(-5r+7)-0.2r= equation:


Simplifying
-1.8(-5r + 7) + -0.2r = 0

Reorder the terms:
-1.8(7 + -5r) + -0.2r = 0
(7 * -1.8 + -5r * -1.8) + -0.2r = 0
(-12.6 + 9r) + -0.2r = 0

Combine like terms: 9r + -0.2r = 8.8r
-12.6 + 8.8r = 0

Solving
-12.6 + 8.8r = 0

Solving for variable 'r'.

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

Add '12.6' to each side of the equation.
-12.6 + 12.6 + 8.8r = 0 + 12.6

Combine like terms: -12.6 + 12.6 = 0.0
0.0 + 8.8r = 0 + 12.6
8.8r = 0 + 12.6

Combine like terms: 0 + 12.6 = 12.6
8.8r = 12.6

Divide each side by '8.8'.
r = 1.431818182

Simplifying
r = 1.431818182

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