9w+9-5w-7=-4

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Solution for 9w+9-5w-7=-4 equation:


Simplifying
9w + 9 + -5w + -7 = -4

Reorder the terms:
9 + -7 + 9w + -5w = -4

Combine like terms: 9 + -7 = 2
2 + 9w + -5w = -4

Combine like terms: 9w + -5w = 4w
2 + 4w = -4

Solving
2 + 4w = -4

Solving for variable 'w'.

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

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

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

Combine like terms: -4 + -2 = -6
4w = -6

Divide each side by '4'.
w = -1.5

Simplifying
w = -1.5

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