3r+6=18r+9

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Solution for 3r+6=18r+9 equation:


Simplifying
3r + 6 = 18r + 9

Reorder the terms:
6 + 3r = 18r + 9

Reorder the terms:
6 + 3r = 9 + 18r

Solving
6 + 3r = 9 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
6 + 3r + -18r = 9 + 18r + -18r

Combine like terms: 3r + -18r = -15r
6 + -15r = 9 + 18r + -18r

Combine like terms: 18r + -18r = 0
6 + -15r = 9 + 0
6 + -15r = 9

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

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

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

Divide each side by '-15'.
r = -0.2

Simplifying
r = -0.2

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