Question

find the value of y if the value of 3xpower2+5x-2y=8(when x=-1)​

Answer 1

y= 4.5

Step-by-step explanation:

3*2 = 6

6+5*-1 - 2y = 8

6-5-2y = 8

1 - 2y = 8

2y = 8+1

2y = 9

y = 9/2

y = 4.5