9x+12x+66=3x+72+6x-1

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Solution for 9x+12x+66=3x+72+6x-1 equation:


Simplifying
9x + 12x + 66 = 3x + 72 + 6x + -1

Reorder the terms:
66 + 9x + 12x = 3x + 72 + 6x + -1

Combine like terms: 9x + 12x = 21x
66 + 21x = 3x + 72 + 6x + -1

Reorder the terms:
66 + 21x = 72 + -1 + 3x + 6x

Combine like terms: 72 + -1 = 71
66 + 21x = 71 + 3x + 6x

Combine like terms: 3x + 6x = 9x
66 + 21x = 71 + 9x

Solving
66 + 21x = 71 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
66 + 21x + -9x = 71 + 9x + -9x

Combine like terms: 21x + -9x = 12x
66 + 12x = 71 + 9x + -9x

Combine like terms: 9x + -9x = 0
66 + 12x = 71 + 0
66 + 12x = 71

Add '-66' to each side of the equation.
66 + -66 + 12x = 71 + -66

Combine like terms: 66 + -66 = 0
0 + 12x = 71 + -66
12x = 71 + -66

Combine like terms: 71 + -66 = 5
12x = 5

Divide each side by '12'.
x = 0.4166666667

Simplifying
x = 0.4166666667

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