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

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


Simplifying
-3(r + -4s + -9t) = 0
(r * -3 + -4s * -3 + -9t * -3) = 0
(-3r + 12s + 27t) = 0

Solving
-3r + 12s + 27t = 0

Solving for variable 'r'.

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

Add '-12s' to each side of the equation.
-3r + 12s + -12s + 27t = 0 + -12s

Combine like terms: 12s + -12s = 0
-3r + 0 + 27t = 0 + -12s
-3r + 27t = 0 + -12s
Remove the zero:
-3r + 27t = -12s

Add '-27t' to each side of the equation.
-3r + 27t + -27t = -12s + -27t

Combine like terms: 27t + -27t = 0
-3r + 0 = -12s + -27t
-3r = -12s + -27t

Divide each side by '-3'.
r = 4s + 9t

Simplifying
r = 4s + 9t

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