4r=-7.2-16.8-8r

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Solution for 4r=-7.2-16.8-8r equation: 


Simplifying
4r = -7.2 + -16.8 + -8r

Combine like terms: -7.2 + -16.8 = -24
4r = -24 + -8r

Solving
4r = -24 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
4r + 8r = -24 + -8r + 8r

Combine like terms: 4r + 8r = 12r
12r = -24 + -8r + 8r

Combine like terms: -8r + 8r = 0
12r = -24 + 0
12r = -24

Divide each side by '12'.
r = -2

Simplifying
r = -2

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