300=9(2w)+2w

Solution for 300=9(2w)+2w equation:

Simplifying
300 = 9(2w) + 2w

Remove parenthesis around (2w)
300 = 9 * 2w + 2w

Multiply 9 * 2
300 = 18w + 2w

Combine like terms: 18w + 2w = 20w
300 = 20w

Solving
300 = 20w

Solving for variable 'w'.

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

Add '-20w' to each side of the equation.
300 + -20w = 20w + -20w

Combine like terms: 20w + -20w = 0
300 + -20w = 0

Add '-300' to each side of the equation.
300 + -300 + -20w = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -20w = 0 + -300
-20w = 0 + -300

Combine like terms: 0 + -300 = -300
-20w = -300

Divide each side by '-20'.
w = 15

Simplifying
w = 15