4+9x(-9)=

Solution for 4+9x(-9)= equation:

Simplifying
4 + 9x(-9) = 0

Reorder the terms for easier multiplication:
4 + 9 * -9x = 0

Multiply 9 * -9
4 + -81x = 0

Solving
4 + -81x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -81x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -81x = 0 + -4
-81x = 0 + -4

Combine like terms: 0 + -4 = -4
-81x = -4

Divide each side by '-81'.
x = 0.04938271605

Simplifying
x = 0.04938271605