21.00+23x=42.00+16.00x

Solution for 21.00+23x=42.00+16.00x equation:

Simplifying
21.00 + 23x = 42.00 + 16.00x

Solving
21.00 + 23x = 42.00 + 16.00x

Solving for variable 'x'.

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

Add '-16.00x' to each side of the equation.
21.00 + 23x + -16.00x = 42.00 + 16.00x + -16.00x

Combine like terms: 23x + -16.00x = 7x
21.00 + 7x = 42.00 + 16.00x + -16.00x

Combine like terms: 16.00x + -16.00x = 0.00
21.00 + 7x = 42.00 + 0.00
21.00 + 7x = 42.00

Add '-21.00' to each side of the equation.
21.00 + -21.00 + 7x = 42.00 + -21.00

Combine like terms: 21.00 + -21.00 = 0.00
0.00 + 7x = 42.00 + -21.00
7x = 42.00 + -21.00

Combine like terms: 42.00 + -21.00 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3