3x+0.5y-x-3.5y+7y=

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Solution for 3x+0.5y-x-3.5y+7y= equation: 


Simplifying
3x + 0.5y + -1x + -3.5y + 7y = 0

Reorder the terms:
3x + -1x + 0.5y + -3.5y + 7y = 0

Combine like terms: 3x + -1x = 2x
2x + 0.5y + -3.5y + 7y = 0

Combine like terms: 0.5y + -3.5y = -3y
2x + -3y + 7y = 0

Combine like terms: -3y + 7y = 4y
2x + 4y = 0

Solving
2x + 4y = 0

Solving for variable 'x'.

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

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

Combine like terms: 4y + -4y = 0
2x + 0 = 0 + -4y
2x = 0 + -4y
Remove the zero:
2x = -4y

Divide each side by '2'.
x = -2y

Simplifying
x = -2y

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