9(-3-r)=

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


Simplifying
9(-3 + -1r) = 0
(-3 * 9 + -1r * 9) = 0
(-27 + -9r) = 0

Solving
-27 + -9r = 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 + -9r = 0 + 27

Combine like terms: -27 + 27 = 0
0 + -9r = 0 + 27
-9r = 0 + 27

Combine like terms: 0 + 27 = 27
-9r = 27

Divide each side by '-9'.
r = -3

Simplifying
r = -3

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