3w-6x-y+6w+21x-7y=

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Solution for 3w-6x-y+6w+21x-7y= equation:


Simplifying
3w + -6x + -1y + 6w + 21x + -7y = 0

Reorder the terms:
3w + 6w + -6x + 21x + -1y + -7y = 0

Combine like terms: 3w + 6w = 9w
9w + -6x + 21x + -1y + -7y = 0

Combine like terms: -6x + 21x = 15x
9w + 15x + -1y + -7y = 0

Combine like terms: -1y + -7y = -8y
9w + 15x + -8y = 0

Solving
9w + 15x + -8y = 0

Solving for variable 'w'.

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

Add '-15x' to each side of the equation.
9w + 15x + -15x + -8y = 0 + -15x

Combine like terms: 15x + -15x = 0
9w + 0 + -8y = 0 + -15x
9w + -8y = 0 + -15x
Remove the zero:
9w + -8y = -15x

Add '8y' to each side of the equation.
9w + -8y + 8y = -15x + 8y

Combine like terms: -8y + 8y = 0
9w + 0 = -15x + 8y
9w = -15x + 8y

Divide each side by '9'.
w = -1.666666667x + 0.8888888889y

Simplifying
w = -1.666666667x + 0.8888888889y

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