12=r(.25)

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Solution for 12=r(.25) equation:


Simplifying
12 = r(0.25)

Reorder the terms for easier multiplication:
12 = 0.25r

Solving
12 = 0.25r

Solving for variable 'r'.

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

Add '-0.25r' to each side of the equation.
12 + -0.25r = 0.25r + -0.25r

Combine like terms: 0.25r + -0.25r = 0.00
12 + -0.25r = 0.00

Add '-12' to each side of the equation.
12 + -12 + -0.25r = 0.00 + -12

Combine like terms: 12 + -12 = 0
0 + -0.25r = 0.00 + -12
-0.25r = 0.00 + -12

Combine like terms: 0.00 + -12 = -12
-0.25r = -12

Divide each side by '-0.25'.
r = 48

Simplifying
r = 48

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