-5w+21=-3(w-1)

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Solution for -5w+21=-3(w-1) equation:


Simplifying
-5w + 21 = -3(w + -1)

Reorder the terms:
21 + -5w = -3(w + -1)

Reorder the terms:
21 + -5w = -3(-1 + w)
21 + -5w = (-1 * -3 + w * -3)
21 + -5w = (3 + -3w)

Solving
21 + -5w = 3 + -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.
21 + -5w + 3w = 3 + -3w + 3w

Combine like terms: -5w + 3w = -2w
21 + -2w = 3 + -3w + 3w

Combine like terms: -3w + 3w = 0
21 + -2w = 3 + 0
21 + -2w = 3

Add '-21' to each side of the equation.
21 + -21 + -2w = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -2w = 3 + -21
-2w = 3 + -21

Combine like terms: 3 + -21 = -18
-2w = -18

Divide each side by '-2'.
w = 9

Simplifying
w = 9

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