21.00+0.50x-0.50x=1.50x-0.50x

Solution for 21.00+0.50x-0.50x=1.50x-0.50x equation:

Simplifying
21.00 + 0.50x + -0.50x = 1.50x + -0.50x

Combine like terms: 0.50x + -0.50x = 0.00
21.00 + 0.00 = 1.50x + -0.50x
21.00 = 1.50x + -0.50x

Combine like terms: 1.50x + -0.50x = 1x
21.00 = 1x

Solving
21.00 = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
21.00 + -1x = 1x + -1x

Combine like terms: 1x + -1x = 0
21.00 + -1x = 0

Add '-21.00' to each side of the equation.
21.00 + -21.00 + -1x = 0 + -21.00

Combine like terms: 21.00 + -21.00 = 0.00
0.00 + -1x = 0 + -21.00
-1x = 0 + -21.00

Combine like terms: 0 + -21.00 = -21
-1x = -21

Divide each side by '-1'.
x = 21

Simplifying
x = 21