7w-31=-2(w+2)

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Solution for 7w-31=-2(w+2) equation:


Simplifying
7w + -31 = -2(w + 2)

Reorder the terms:
-31 + 7w = -2(w + 2)

Reorder the terms:
-31 + 7w = -2(2 + w)
-31 + 7w = (2 * -2 + w * -2)
-31 + 7w = (-4 + -2w)

Solving
-31 + 7w = -4 + -2w

Solving for variable 'w'.

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

Add '2w' to each side of the equation.
-31 + 7w + 2w = -4 + -2w + 2w

Combine like terms: 7w + 2w = 9w
-31 + 9w = -4 + -2w + 2w

Combine like terms: -2w + 2w = 0
-31 + 9w = -4 + 0
-31 + 9w = -4

Add '31' to each side of the equation.
-31 + 31 + 9w = -4 + 31

Combine like terms: -31 + 31 = 0
0 + 9w = -4 + 31
9w = -4 + 31

Combine like terms: -4 + 31 = 27
9w = 27

Divide each side by '9'.
w = 3

Simplifying
w = 3

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