15=6r-9

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Solution for 15=6r-9 equation:


Simplifying
15 = 6r + -9

Reorder the terms:
15 = -9 + 6r

Solving
15 = -9 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
15 + -6r = -9 + 6r + -6r

Combine like terms: 6r + -6r = 0
15 + -6r = -9 + 0
15 + -6r = -9

Add '-15' to each side of the equation.
15 + -15 + -6r = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -6r = -9 + -15
-6r = -9 + -15

Combine like terms: -9 + -15 = -24
-6r = -24

Divide each side by '-6'.
r = 4

Simplifying
r = 4

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