3r-15=9+6r

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Solution for 3r-15=9+6r equation:


Simplifying
3r + -15 = 9 + 6r

Reorder the terms:
-15 + 3r = 9 + 6r

Solving
-15 + 3r = 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 + 3r + -6r = 9 + 6r + -6r

Combine like terms: 3r + -6r = -3r
-15 + -3r = 9 + 6r + -6r

Combine like terms: 6r + -6r = 0
-15 + -3r = 9 + 0
-15 + -3r = 9

Add '15' to each side of the equation.
-15 + 15 + -3r = 9 + 15

Combine like terms: -15 + 15 = 0
0 + -3r = 9 + 15
-3r = 9 + 15

Combine like terms: 9 + 15 = 24
-3r = 24

Divide each side by '-3'.
r = -8

Simplifying
r = -8

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