7w-3(w-2)=20

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Solution for 7w-3(w-2)=20 equation:


Simplifying
7w + -3(w + -2) = 20

Reorder the terms:
7w + -3(-2 + w) = 20
7w + (-2 * -3 + w * -3) = 20
7w + (6 + -3w) = 20

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

Combine like terms: 7w + -3w = 4w
6 + 4w = 20

Solving
6 + 4w = 20

Solving for variable 'w'.

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

Add '-6' to each side of the equation.
6 + -6 + 4w = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 4w = 20 + -6
4w = 20 + -6

Combine like terms: 20 + -6 = 14
4w = 14

Divide each side by '4'.
w = 3.5

Simplifying
w = 3.5

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