20=6w+7-3w

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Solution for 20=6w+7-3w equation:


Simplifying
20 = 6w + 7 + -3w

Reorder the terms:
20 = 7 + 6w + -3w

Combine like terms: 6w + -3w = 3w
20 = 7 + 3w

Solving
20 = 7 + 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.
20 + -3w = 7 + 3w + -3w

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

Add '-20' to each side of the equation.
20 + -20 + -3w = 7 + -20

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

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

Divide each side by '-3'.
w = 4.333333333

Simplifying
w = 4.333333333

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