4w+7=21

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Solution for 4w+7=21 equation: 


Simplifying
4w + 7 = 21

Reorder the terms:
7 + 4w = 21

Solving
7 + 4w = 21

Solving for variable 'w'.

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

Add '-7' to each side of the equation.
7 + -7 + 4w = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 4w = 21 + -7
4w = 21 + -7

Combine like terms: 21 + -7 = 14
4w = 14

Divide each side by '4'.
w = 3.5

Simplifying
w = 3.5

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