40*.04-500=x

Solution for 40*.04-500=x equation:

Simplifying
40 * 0.04 + -500 = x

Multiply 40 * 0.04
1.6 + -500 = x

Combine like terms: 1.6 + -500 = -498.4
-498.4 = x

Solving
-498.4 = x

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.
-498.4 + -1x = x + -1x

Combine like terms: x + -1x = 0
-498.4 + -1x = 0

Add '498.4' to each side of the equation.
-498.4 + 498.4 + -1x = 0 + 498.4

Combine like terms: -498.4 + 498.4 = 0.0
0.0 + -1x = 0 + 498.4
-1x = 0 + 498.4

Combine like terms: 0 + 498.4 = 498.4
-1x = 498.4

Divide each side by '-1'.
x = -498.4

Simplifying
x = -498.4