3x+6=15x-66

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Solution for 3x+6=15x-66 equation:


Simplifying
3x + 6 = 15x + -66

Reorder the terms:
6 + 3x = 15x + -66

Reorder the terms:
6 + 3x = -66 + 15x

Solving
6 + 3x = -66 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
6 + 3x + -15x = -66 + 15x + -15x

Combine like terms: 3x + -15x = -12x
6 + -12x = -66 + 15x + -15x

Combine like terms: 15x + -15x = 0
6 + -12x = -66 + 0
6 + -12x = -66

Add '-6' to each side of the equation.
6 + -6 + -12x = -66 + -6

Combine like terms: 6 + -6 = 0
0 + -12x = -66 + -6
-12x = -66 + -6

Combine like terms: -66 + -6 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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