Solve

Y
___ + 5= 9
-6

Y 24+5 = 9-6

Step-by-step explanation: First, subtract 5 from each side of the equation to isolate the y term while keeping the equation balanced:

y

−

6

+

5

−

5

=

9

−

5

y

−

6

+

0

=

4

y

−

6

=

4

Now, multiply each side of the equation by

−

6

to find

y

while keeping the equation balanced:

−

6

×

y

−

6

=

−

6

×

4

−

6

×

y

−

6

=

−

24

y

=

−

24

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8