4x+9=y

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Solution for 4x+9=y equation: 


Simplifying
4x + 9 = y

Reorder the terms:
9 + 4x = y

Solving
9 + 4x = y

Solving for variable 'x'.

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

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

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

Divide each side by '4'.
x = -2.25 + 0.25y

Simplifying
x = -2.25 + 0.25y

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