.5r-3=12-4.5t

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Solution for .5r-3=12-4.5t equation:


Simplifying
0.5r + -3 = 12 + -4.5t

Reorder the terms:
-3 + 0.5r = 12 + -4.5t

Solving
-3 + 0.5r = 12 + -4.5t

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 0.5r = 12 + 3 + -4.5t

Combine like terms: -3 + 3 = 0
0 + 0.5r = 12 + 3 + -4.5t
0.5r = 12 + 3 + -4.5t

Combine like terms: 12 + 3 = 15
0.5r = 15 + -4.5t

Divide each side by '0.5'.
r = 30 + -9t

Simplifying
r = 30 + -9t

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