7w-5=9w-15

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Solution for 7w-5=9w-15 equation:


Simplifying
7w + -5 = 9w + -15

Reorder the terms:
-5 + 7w = 9w + -15

Reorder the terms:
-5 + 7w = -15 + 9w

Solving
-5 + 7w = -15 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
-5 + 7w + -9w = -15 + 9w + -9w

Combine like terms: 7w + -9w = -2w
-5 + -2w = -15 + 9w + -9w

Combine like terms: 9w + -9w = 0
-5 + -2w = -15 + 0
-5 + -2w = -15

Add '5' to each side of the equation.
-5 + 5 + -2w = -15 + 5

Combine like terms: -5 + 5 = 0
0 + -2w = -15 + 5
-2w = -15 + 5

Combine like terms: -15 + 5 = -10
-2w = -10

Divide each side by '-2'.
w = 5

Simplifying
w = 5

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