3w+6(w-7)=-15

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Solution for 3w+6(w-7)=-15 equation:


Simplifying
3w + 6(w + -7) = -15

Reorder the terms:
3w + 6(-7 + w) = -15
3w + (-7 * 6 + w * 6) = -15
3w + (-42 + 6w) = -15

Reorder the terms:
-42 + 3w + 6w = -15

Combine like terms: 3w + 6w = 9w
-42 + 9w = -15

Solving
-42 + 9w = -15

Solving for variable 'w'.

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

Add '42' to each side of the equation.
-42 + 42 + 9w = -15 + 42

Combine like terms: -42 + 42 = 0
0 + 9w = -15 + 42
9w = -15 + 42

Combine like terms: -15 + 42 = 27
9w = 27

Divide each side by '9'.
w = 3

Simplifying
w = 3

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