36-3r=18

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Solution for 36-3r=18 equation: 


Simplifying
36 + -3r = 18

Solving
36 + -3r = 18

Solving for variable 'r'.

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

Add '-36' to each side of the equation.
36 + -36 + -3r = 18 + -36

Combine like terms: 36 + -36 = 0
0 + -3r = 18 + -36
-3r = 18 + -36

Combine like terms: 18 + -36 = -18
-3r = -18

Divide each side by '-3'.
r = 6

Simplifying
r = 6

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