.20r+7r=3(4r+8)

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Solution for .20r+7r=3(4r+8) equation:


Simplifying
0.20r + 7r = 3(4r + 8)

Combine like terms: 0.20r + 7r = 7.2r
7.2r = 3(4r + 8)

Reorder the terms:
7.2r = 3(8 + 4r)
7.2r = (8 * 3 + 4r * 3)
7.2r = (24 + 12r)

Solving
7.2r = 24 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
7.2r + -12r = 24 + 12r + -12r

Combine like terms: 7.2r + -12r = -4.8r
-4.8r = 24 + 12r + -12r

Combine like terms: 12r + -12r = 0
-4.8r = 24 + 0
-4.8r = 24

Divide each side by '-4.8'.
r = -5

Simplifying
r = -5

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