9(4x-5r)=

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Solution for 9(4x-5r)= equation:


Simplifying
9(4x + -5r) = 0

Reorder the terms:
9(-5r + 4x) = 0
(-5r * 9 + 4x * 9) = 0
(-45r + 36x) = 0

Solving
-45r + 36x = 0

Solving for variable 'r'.

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

Add '-36x' to each side of the equation.
-45r + 36x + -36x = 0 + -36x

Combine like terms: 36x + -36x = 0
-45r + 0 = 0 + -36x
-45r = 0 + -36x
Remove the zero:
-45r = -36x

Divide each side by '-45'.
r = 0.8x

Simplifying
r = 0.8x

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