2(0.4)(0.9)=w(0.8)

Solution for 2(0.4)(0.9)=w(0.8) equation:

Simplifying
2(0.4)(0.9) = w(0.8)

Multiply 2 * 0.4
0.8 * 0.9 = w(0.8)

Multiply 0.8 * 0.9
0.72 = w(0.8)

Reorder the terms for easier multiplication:
0.72 = 0.8w

Solving
0.72 = 0.8w

Solving for variable 'w'.

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

Add '-0.8w' to each side of the equation.
0.72 + -0.8w = 0.8w + -0.8w

Combine like terms: 0.8w + -0.8w = 0.0
0.72 + -0.8w = 0.0

Add '-0.72' to each side of the equation.
0.72 + -0.72 + -0.8w = 0.0 + -0.72

Combine like terms: 0.72 + -0.72 = 0.00
0.00 + -0.8w = 0.0 + -0.72
-0.8w = 0.0 + -0.72

Combine like terms: 0.0 + -0.72 = -0.72
-0.8w = -0.72

Divide each side by '-0.8'.
w = 0.9

Simplifying
w = 0.9