4x-9y=-42

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Solution for 4x-9y=-42 equation: 


Simplifying
4x + -9y = -42

Solving
4x + -9y = -42

Solving for variable 'x'.

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

Add '9y' to each side of the equation.
4x + -9y + 9y = -42 + 9y

Combine like terms: -9y + 9y = 0
4x + 0 = -42 + 9y
4x = -42 + 9y

Divide each side by '4'.
x = -10.5 + 2.25y

Simplifying
x = -10.5 + 2.25y

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