-9(r-5)=9

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


Simplifying
-9(r + -5) = 9

Reorder the terms:
-9(-5 + r) = 9
(-5 * -9 + r * -9) = 9
(45 + -9r) = 9

Solving
45 + -9r = 9

Solving for variable 'r'.

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

Add '-45' to each side of the equation.
45 + -45 + -9r = 9 + -45

Combine like terms: 45 + -45 = 0
0 + -9r = 9 + -45
-9r = 9 + -45

Combine like terms: 9 + -45 = -36
-9r = -36

Divide each side by '-9'.
r = 4

Simplifying
r = 4

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