-9(2-r)=36

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Solution for -9(2-r)=36 equation: 


Simplifying
-9(2 + -1r) = 36
(2 * -9 + -1r * -9) = 36
(-18 + 9r) = 36

Solving
-18 + 9r = 36

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 9r = 36 + 18

Combine like terms: -18 + 18 = 0
0 + 9r = 36 + 18
9r = 36 + 18

Combine like terms: 36 + 18 = 54
9r = 54

Divide each side by '9'.
r = 6

Simplifying
r = 6

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