-.5(r+.2)=1.8

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Solution for -.5(r+.2)=1.8 equation:


Simplifying
-0.5(r + 0.2) = 1.8

Reorder the terms:
-0.5(0.2 + r) = 1.8
(0.2 * -0.5 + r * -0.5) = 1.8
(-0.1 + -0.5r) = 1.8

Solving
-0.1 + -0.5r = 1.8

Solving for variable 'r'.

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

Add '0.1' to each side of the equation.
-0.1 + 0.1 + -0.5r = 1.8 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + -0.5r = 1.8 + 0.1
-0.5r = 1.8 + 0.1

Combine like terms: 1.8 + 0.1 = 1.9
-0.5r = 1.9

Divide each side by '-0.5'.
r = -3.8

Simplifying
r = -3.8

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