6-7x=66-21x

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Solution for 6-7x=66-21x equation:


Simplifying
6 + -7x = 66 + -21x

Solving
6 + -7x = 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.
6 + -7x + 21x = 66 + -21x + 21x

Combine like terms: -7x + 21x = 14x
6 + 14x = 66 + -21x + 21x

Combine like terms: -21x + 21x = 0
6 + 14x = 66 + 0
6 + 14x = 66

Add '-6' to each side of the equation.
6 + -6 + 14x = 66 + -6

Combine like terms: 6 + -6 = 0
0 + 14x = 66 + -6
14x = 66 + -6

Combine like terms: 66 + -6 = 60
14x = 60

Divide each side by '14'.
x = 4.285714286

Simplifying
x = 4.285714286

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