4x-y=-15

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Solution for 4x-y=-15 equation: 


Simplifying
4x + -1y = -15

Solving
4x + -1y = -15

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
4x + -1y + y = -15 + y

Combine like terms: -1y + y = 0
4x + 0 = -15 + y
4x = -15 + y

Divide each side by '4'.
x = -3.75 + 0.25y

Simplifying
x = -3.75 + 0.25y

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