15=-5y-4x

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Solution for 15=-5y-4x equation: 


Simplifying
15 = -5y + -4x

Reorder the terms:
15 = -4x + -5y

Solving
15 = -4x + -5y

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
15 + 4x = -4x + 4x + -5y

Combine like terms: -4x + 4x = 0
15 + 4x = 0 + -5y
15 + 4x = -5y

Add '-15' to each side of the equation.
15 + -15 + 4x = -15 + -5y

Combine like terms: 15 + -15 = 0
0 + 4x = -15 + -5y
4x = -15 + -5y

Divide each side by '4'.
x = -3.75 + -1.25y

Simplifying
x = -3.75 + -1.25y

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