66=x-7x

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Solution for 66=x-7x equation:


Simplifying
66 = x + -7x

Combine like terms: x + -7x = -6x
66 = -6x

Solving
66 = -6x

Solving for variable 'x'.

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

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

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

Add '-66' to each side of the equation.
66 + -66 + 6x = 0 + -66

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

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

Divide each side by '6'.
x = -11

Simplifying
x = -11

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