2*9=15+w

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Solution for 2*9=15+w equation:


Simplifying
2 * 9 = 15 + w

Multiply 2 * 9
18 = 15 + w

Solving
18 = 15 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
18 + -1w = 15 + w + -1w

Combine like terms: w + -1w = 0
18 + -1w = 15 + 0
18 + -1w = 15

Add '-18' to each side of the equation.
18 + -18 + -1w = 15 + -18

Combine like terms: 18 + -18 = 0
0 + -1w = 15 + -18
-1w = 15 + -18

Combine like terms: 15 + -18 = -3
-1w = -3

Divide each side by '-1'.
w = 3

Simplifying
w = 3

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