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

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


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

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

Reorder the terms:
-15 + 6w = -3(-7 + w)
-15 + 6w = (-7 * -3 + w * -3)
-15 + 6w = (21 + -3w)

Solving
-15 + 6w = 21 + -3w

Solving for variable 'w'.

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

Add '3w' to each side of the equation.
-15 + 6w + 3w = 21 + -3w + 3w

Combine like terms: 6w + 3w = 9w
-15 + 9w = 21 + -3w + 3w

Combine like terms: -3w + 3w = 0
-15 + 9w = 21 + 0
-15 + 9w = 21

Add '15' to each side of the equation.
-15 + 15 + 9w = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 9w = 21 + 15
9w = 21 + 15

Combine like terms: 21 + 15 = 36
9w = 36

Divide each side by '9'.
w = 4

Simplifying
w = 4

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