(4r-5s+9t)3=

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Solution for (4r-5s+9t)3= equation:


Simplifying
(4r + -5s + 9t) * 3 = 0

Reorder the terms for easier multiplication:
3(4r + -5s + 9t) = 0
(4r * 3 + -5s * 3 + 9t * 3) = 0
(12r + -15s + 27t) = 0

Solving
12r + -15s + 27t = 0

Solving for variable 'r'.

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

Add '15s' to each side of the equation.
12r + -15s + 15s + 27t = 0 + 15s

Combine like terms: -15s + 15s = 0
12r + 0 + 27t = 0 + 15s
12r + 27t = 0 + 15s
Remove the zero:
12r + 27t = 15s

Add '-27t' to each side of the equation.
12r + 27t + -27t = 15s + -27t

Combine like terms: 27t + -27t = 0
12r + 0 = 15s + -27t
12r = 15s + -27t

Divide each side by '12'.
r = 1.25s + -2.25t

Simplifying
r = 1.25s + -2.25t

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