4x+3y-y=30

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Solution for 4x+3y-y=30 equation: 


Simplifying
4x + 3y + -1y = 30

Combine like terms: 3y + -1y = 2y
4x + 2y = 30

Solving
4x + 2y = 30

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
4x + 2y + -2y = 30 + -2y

Combine like terms: 2y + -2y = 0
4x + 0 = 30 + -2y
4x = 30 + -2y

Divide each side by '4'.
x = 7.5 + -0.5y

Simplifying
x = 7.5 + -0.5y

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