-9=3r+45

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Solution for -9=3r+45 equation:


Simplifying
-9 = 3r + 45

Reorder the terms:
-9 = 45 + 3r

Solving
-9 = 45 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-9 + -3r = 45 + 3r + -3r

Combine like terms: 3r + -3r = 0
-9 + -3r = 45 + 0
-9 + -3r = 45

Add '9' to each side of the equation.
-9 + 9 + -3r = 45 + 9

Combine like terms: -9 + 9 = 0
0 + -3r = 45 + 9
-3r = 45 + 9

Combine like terms: 45 + 9 = 54
-3r = 54

Divide each side by '-3'.
r = -18

Simplifying
r = -18

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