21x+6=7x

Solution for 21x+6=7x equation:

Simplifying
21x + 6 = 7x

Reorder the terms:
6 + 21x = 7x

Solving
6 + 21x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
6 + 21x + -7x = 7x + -7x

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

Combine like terms: 7x + -7x = 0
6 + 14x = 0

Add '-6' to each side of the equation.
6 + -6 + 14x = 0 + -6

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

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

Divide each side by '14'.
x = -0.4285714286

Simplifying
x = -0.4285714286