2(w+9)=7w-2

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Solution for 2(w+9)=7w-2 equation:


Simplifying
2(w + 9) = 7w + -2

Reorder the terms:
2(9 + w) = 7w + -2
(9 * 2 + w * 2) = 7w + -2
(18 + 2w) = 7w + -2

Reorder the terms:
18 + 2w = -2 + 7w

Solving
18 + 2w = -2 + 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
18 + 2w + -7w = -2 + 7w + -7w

Combine like terms: 2w + -7w = -5w
18 + -5w = -2 + 7w + -7w

Combine like terms: 7w + -7w = 0
18 + -5w = -2 + 0
18 + -5w = -2

Add '-18' to each side of the equation.
18 + -18 + -5w = -2 + -18

Combine like terms: 18 + -18 = 0
0 + -5w = -2 + -18
-5w = -2 + -18

Combine like terms: -2 + -18 = -20
-5w = -20

Divide each side by '-5'.
w = 4

Simplifying
w = 4

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