4(w-3)=5w-21

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Solution for 4(w-3)=5w-21 equation:


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

Reorder the terms:
4(-3 + w) = 5w + -21
(-3 * 4 + w * 4) = 5w + -21
(-12 + 4w) = 5w + -21

Reorder the terms:
-12 + 4w = -21 + 5w

Solving
-12 + 4w = -21 + 5w

Solving for variable 'w'.

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

Add '-5w' to each side of the equation.
-12 + 4w + -5w = -21 + 5w + -5w

Combine like terms: 4w + -5w = -1w
-12 + -1w = -21 + 5w + -5w

Combine like terms: 5w + -5w = 0
-12 + -1w = -21 + 0
-12 + -1w = -21

Add '12' to each side of the equation.
-12 + 12 + -1w = -21 + 12

Combine like terms: -12 + 12 = 0
0 + -1w = -21 + 12
-1w = -21 + 12

Combine like terms: -21 + 12 = -9
-1w = -9

Divide each side by '-1'.
w = 9

Simplifying
w = 9

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