3r+6r+4=12r+6

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Solution for 3r+6r+4=12r+6 equation:


Simplifying
3r + 6r + 4 = 12r + 6

Reorder the terms:
4 + 3r + 6r = 12r + 6

Combine like terms: 3r + 6r = 9r
4 + 9r = 12r + 6

Reorder the terms:
4 + 9r = 6 + 12r

Solving
4 + 9r = 6 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
4 + 9r + -12r = 6 + 12r + -12r

Combine like terms: 9r + -12r = -3r
4 + -3r = 6 + 12r + -12r

Combine like terms: 12r + -12r = 0
4 + -3r = 6 + 0
4 + -3r = 6

Add '-4' to each side of the equation.
4 + -4 + -3r = 6 + -4

Combine like terms: 4 + -4 = 0
0 + -3r = 6 + -4
-3r = 6 + -4

Combine like terms: 6 + -4 = 2
-3r = 2

Divide each side by '-3'.
r = -0.6666666667

Simplifying
r = -0.6666666667

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