30.4=0.8(r)

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Solution for 30.4=0.8(r) equation:


Simplifying
30.4 = 0.8(r)

Solving
30.4 = 0.8r

Solving for variable 'r'.

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

Add '-0.8r' to each side of the equation.
30.4 + -0.8r = 0.8r + -0.8r

Combine like terms: 0.8r + -0.8r = 0.0
30.4 + -0.8r = 0.0

Add '-30.4' to each side of the equation.
30.4 + -30.4 + -0.8r = 0.0 + -30.4

Combine like terms: 30.4 + -30.4 = 0.0
0.0 + -0.8r = 0.0 + -30.4
-0.8r = 0.0 + -30.4

Combine like terms: 0.0 + -30.4 = -30.4
-0.8r = -30.4

Divide each side by '-0.8'.
r = 38

Simplifying
r = 38

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