0.3(r+2)=-1.0(-2r-4)

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Solution for 0.3(r+2)=-1.0(-2r-4) equation:


Simplifying
0.3(r + 2) = -1.0(-2r + -4)

Reorder the terms:
0.3(2 + r) = -1.0(-2r + -4)
(2 * 0.3 + r * 0.3) = -1.0(-2r + -4)
(0.6 + 0.3r) = -1.0(-2r + -4)

Reorder the terms:
0.6 + 0.3r = -1.0(-4 + -2r)
0.6 + 0.3r = (-4 * -1.0 + -2r * -1.0)
0.6 + 0.3r = (4 + 2r)

Solving
0.6 + 0.3r = 4 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
0.6 + 0.3r + -2r = 4 + 2r + -2r

Combine like terms: 0.3r + -2r = -1.7r
0.6 + -1.7r = 4 + 2r + -2r

Combine like terms: 2r + -2r = 0
0.6 + -1.7r = 4 + 0
0.6 + -1.7r = 4

Add '-0.6' to each side of the equation.
0.6 + -0.6 + -1.7r = 4 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + -1.7r = 4 + -0.6
-1.7r = 4 + -0.6

Combine like terms: 4 + -0.6 = 3.4
-1.7r = 3.4

Divide each side by '-1.7'.
r = -2

Simplifying
r = -2

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