3w+7=20

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Solution for 3w+7=20 equation: 


Simplifying
3w + 7 = 20

Reorder the terms:
7 + 3w = 20

Solving
7 + 3w = 20

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 + 3w = 20 + -7

Combine like terms: 7 + -7 = 0
0 + 3w = 20 + -7
3w = 20 + -7

Combine like terms: 20 + -7 = 13
3w = 13

Divide each side by '3'.
w = 4.333333333

Simplifying
w = 4.333333333

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