davidbautista064 davidbautista064
  • 14-05-2022
  • Mathematics
contestada

I really need help on this one

I really need help on this one class=

Respuesta :

anvipatel77
anvipatel77 anvipatel77
  • 14-05-2022

Answer:

-3x+9y=-57

Substitute the x for 4

-3(4)+9y=-57

-12+9y=-57

Add +12

-12+9y=-57

+12 +12

9y=-45

Now divide the 9 to get y by itself

9y=-45

÷9 ÷9

y=-5

So the value of y is -5

☆anvipatel77☆

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