Respuesta :

Answer:

y=-4x+9

Step-by-step explanation:

Try to convert the equation into y=mx+b form (slope intercept form) by doing the following

4x+y=9                  Original equation

4x-4x+y=-4x+9      Subtract 4x from both sides to isolate y variable

y=-4x+9                 Simplify

 

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