66=9x-7x+2x+7x+9x+x

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Solution for 66=9x-7x+2x+7x+9x+x equation:


Simplifying
66 = 9x + -7x + 2x + 7x + 9x + x

Combine like terms: 9x + -7x = 2x
66 = 2x + 2x + 7x + 9x + x

Combine like terms: 2x + 2x = 4x
66 = 4x + 7x + 9x + x

Combine like terms: 4x + 7x = 11x
66 = 11x + 9x + x

Combine like terms: 11x + 9x = 20x
66 = 20x + x

Combine like terms: 20x + x = 21x
66 = 21x

Solving
66 = 21x

Solving for variable 'x'.

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

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

Combine like terms: 21x + -21x = 0
66 + -21x = 0

Add '-66' to each side of the equation.
66 + -66 + -21x = 0 + -66

Combine like terms: 66 + -66 = 0
0 + -21x = 0 + -66
-21x = 0 + -66

Combine like terms: 0 + -66 = -66
-21x = -66

Divide each side by '-21'.
x = 3.142857143

Simplifying
x = 3.142857143

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