2w+2(3w-9)=40

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Solution for 2w+2(3w-9)=40 equation:


Simplifying
2w + 2(3w + -9) = 40

Reorder the terms:
2w + 2(-9 + 3w) = 40
2w + (-9 * 2 + 3w * 2) = 40
2w + (-18 + 6w) = 40

Reorder the terms:
-18 + 2w + 6w = 40

Combine like terms: 2w + 6w = 8w
-18 + 8w = 40

Solving
-18 + 8w = 40

Solving for variable 'w'.

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

Add '18' to each side of the equation.
-18 + 18 + 8w = 40 + 18

Combine like terms: -18 + 18 = 0
0 + 8w = 40 + 18
8w = 40 + 18

Combine like terms: 40 + 18 = 58
8w = 58

Divide each side by '8'.
w = 7.25

Simplifying
w = 7.25

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