12w+9w+8y-5y=

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Solution for 12w+9w+8y-5y= equation:


Simplifying
12w + 9w + 8y + -5y = 0

Combine like terms: 12w + 9w = 21w
21w + 8y + -5y = 0

Combine like terms: 8y + -5y = 3y
21w + 3y = 0

Solving
21w + 3y = 0

Solving for variable 'w'.

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

Add '-3y' to each side of the equation.
21w + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
21w + 0 = 0 + -3y
21w = 0 + -3y
Remove the zero:
21w = -3y

Divide each side by '21'.
w = -0.1428571429y

Simplifying
w = -0.1428571429y

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