8.25=4r-3.75

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Solution for 8.25=4r-3.75 equation:


Simplifying
8.25 = 4r + -3.75

Reorder the terms:
8.25 = -3.75 + 4r

Solving
8.25 = -3.75 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
8.25 + -4r = -3.75 + 4r + -4r

Combine like terms: 4r + -4r = 0
8.25 + -4r = -3.75 + 0
8.25 + -4r = -3.75

Add '-8.25' to each side of the equation.
8.25 + -8.25 + -4r = -3.75 + -8.25

Combine like terms: 8.25 + -8.25 = 0.00
0.00 + -4r = -3.75 + -8.25
-4r = -3.75 + -8.25

Combine like terms: -3.75 + -8.25 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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