7w+4(w-1)=18

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Solution for 7w+4(w-1)=18 equation:


Simplifying
7w + 4(w + -1) = 18

Reorder the terms:
7w + 4(-1 + w) = 18
7w + (-1 * 4 + w * 4) = 18
7w + (-4 + 4w) = 18

Reorder the terms:
-4 + 7w + 4w = 18

Combine like terms: 7w + 4w = 11w
-4 + 11w = 18

Solving
-4 + 11w = 18

Solving for variable 'w'.

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

Add '4' to each side of the equation.
-4 + 4 + 11w = 18 + 4

Combine like terms: -4 + 4 = 0
0 + 11w = 18 + 4
11w = 18 + 4

Combine like terms: 18 + 4 = 22
11w = 22

Divide each side by '11'.
w = 2

Simplifying
w = 2

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