7+5w-4w=9

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


Simplifying
7 + 5w + -4w = 9

Combine like terms: 5w + -4w = 1w
7 + 1w = 9

Solving
7 + 1w = 9

Solving for variable 'w'.

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

Add '-7' to each side of the equation.
7 + -7 + 1w = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 1w = 9 + -7
1w = 9 + -7

Combine like terms: 9 + -7 = 2
1w = 2

Divide each side by '1'.
w = 2

Simplifying
w = 2

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