7=w+9

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Solution for 7=w+9 equation:


Simplifying
7 = w + 9

Reorder the terms:
7 = 9 + w

Solving
7 = 9 + w

Solving for variable 'w'.

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

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

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

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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