66-2x=78-4x

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Solution for 66-2x=78-4x equation:


Simplifying
66 + -2x = 78 + -4x

Solving
66 + -2x = 78 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
66 + -2x + 4x = 78 + -4x + 4x

Combine like terms: -2x + 4x = 2x
66 + 2x = 78 + -4x + 4x

Combine like terms: -4x + 4x = 0
66 + 2x = 78 + 0
66 + 2x = 78

Add '-66' to each side of the equation.
66 + -66 + 2x = 78 + -66

Combine like terms: 66 + -66 = 0
0 + 2x = 78 + -66
2x = 78 + -66

Combine like terms: 78 + -66 = 12
2x = 12

Divide each side by '2'.
x = 6

Simplifying
x = 6

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