6+42z=21z+42

Solution for 6+42z=21z+42 equation:

Simplifying
6 + 42z = 21z + 42

Reorder the terms:
6 + 42z = 42 + 21z

Solving
6 + 42z = 42 + 21z

Solving for variable 'z'.

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

Add '-21z' to each side of the equation.
6 + 42z + -21z = 42 + 21z + -21z

Combine like terms: 42z + -21z = 21z
6 + 21z = 42 + 21z + -21z

Combine like terms: 21z + -21z = 0
6 + 21z = 42 + 0
6 + 21z = 42

Add '-6' to each side of the equation.
6 + -6 + 21z = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 21z = 42 + -6
21z = 42 + -6

Combine like terms: 42 + -6 = 36
21z = 36

Divide each side by '21'.
z = 1.714285714

Simplifying
z = 1.714285714