5(w-3)-7w=-21

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Solution for 5(w-3)-7w=-21 equation:


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

Reorder the terms:
5(-3 + w) + -7w = -21
(-3 * 5 + w * 5) + -7w = -21
(-15 + 5w) + -7w = -21

Combine like terms: 5w + -7w = -2w
-15 + -2w = -21

Solving
-15 + -2w = -21

Solving for variable 'w'.

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

Add '15' to each side of the equation.
-15 + 15 + -2w = -21 + 15

Combine like terms: -15 + 15 = 0
0 + -2w = -21 + 15
-2w = -21 + 15

Combine like terms: -21 + 15 = -6
-2w = -6

Divide each side by '-2'.
w = 3

Simplifying
w = 3

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