9w-4=7w

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Solution for 9w-4=7w equation:


Simplifying
9w + -4 = 7w

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

Solving
-4 + 9w = 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.
-4 + 9w + -7w = 7w + -7w

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

Combine like terms: 7w + -7w = 0
-4 + 2w = 0

Add '4' to each side of the equation.
-4 + 4 + 2w = 0 + 4

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

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

Divide each side by '2'.
w = 2

Simplifying
w = 2

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