21-8w-9+3(w+3)=56

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Solution for 21-8w-9+3(w+3)=56 equation:


Simplifying
21 + -8w + -9 + 3(w + 3) = 56

Reorder the terms:
21 + -8w + -9 + 3(3 + w) = 56
21 + -8w + -9 + (3 * 3 + w * 3) = 56
21 + -8w + -9 + (9 + 3w) = 56

Reorder the terms:
21 + -9 + 9 + -8w + 3w = 56

Combine like terms: 21 + -9 = 12
12 + 9 + -8w + 3w = 56

Combine like terms: 12 + 9 = 21
21 + -8w + 3w = 56

Combine like terms: -8w + 3w = -5w
21 + -5w = 56

Solving
21 + -5w = 56

Solving for variable 'w'.

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

Add '-21' to each side of the equation.
21 + -21 + -5w = 56 + -21

Combine like terms: 21 + -21 = 0
0 + -5w = 56 + -21
-5w = 56 + -21

Combine like terms: 56 + -21 = 35
-5w = 35

Divide each side by '-5'.
w = -7

Simplifying
w = -7

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