Solve the system of equations algebraically.
4x - 3y - 8
5x - 4y = 5
a. (16.21)
b. many solutions
c. no solution
d. (17, 20)

d. (17, 20)

Step-by-step explanation:

We have the following system of equations:

(1)

(2)

Isolating from (1):

(3)

Substituting (3) in (2):

(4)

Isolating :

(5)

(6)

(7)

Substituting (7) in (1):

(8)

Isolating :

(9)

Hence, the correct option is d. (17, 20)

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

what level of math? also i don't need to be paid if i can you.