9(3-7r)=

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Solution for 9(3-7r)= equation: 


Simplifying
9(3 + -7r) = 0
(3 * 9 + -7r * 9) = 0
(27 + -63r) = 0

Solving
27 + -63r = 0

Solving for variable 'r'.

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

Add '-27' to each side of the equation.
27 + -27 + -63r = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -63r = 0 + -27
-63r = 0 + -27

Combine like terms: 0 + -27 = -27
-63r = -27

Divide each side by '-63'.
r = 0.4285714286

Simplifying
r = 0.4285714286

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