12w+3=4w+21

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Solution for 12w+3=4w+21 equation:


Simplifying
12w + 3 = 4w + 21

Reorder the terms:
3 + 12w = 4w + 21

Reorder the terms:
3 + 12w = 21 + 4w

Solving
3 + 12w = 21 + 4w

Solving for variable 'w'.

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

Add '-4w' to each side of the equation.
3 + 12w + -4w = 21 + 4w + -4w

Combine like terms: 12w + -4w = 8w
3 + 8w = 21 + 4w + -4w

Combine like terms: 4w + -4w = 0
3 + 8w = 21 + 0
3 + 8w = 21

Add '-3' to each side of the equation.
3 + -3 + 8w = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 8w = 21 + -3
8w = 21 + -3

Combine like terms: 21 + -3 = 18
8w = 18

Divide each side by '8'.
w = 2.25

Simplifying
w = 2.25

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