8(w+3)+7w=-21

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Solution for 8(w+3)+7w=-21 equation:


Simplifying
8(w + 3) + 7w = -21

Reorder the terms:
8(3 + w) + 7w = -21
(3 * 8 + w * 8) + 7w = -21
(24 + 8w) + 7w = -21

Combine like terms: 8w + 7w = 15w
24 + 15w = -21

Solving
24 + 15w = -21

Solving for variable 'w'.

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

Add '-24' to each side of the equation.
24 + -24 + 15w = -21 + -24

Combine like terms: 24 + -24 = 0
0 + 15w = -21 + -24
15w = -21 + -24

Combine like terms: -21 + -24 = -45
15w = -45

Divide each side by '15'.
w = -3

Simplifying
w = -3

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