Question

(Solve the System) (Image Below)

A. (-4, 5)

B. (8, 1)

C. (3, -2)

D. No solution

E. Infinite number of solutions

Answer 1

Step-by-step explanation:

Given, x + y = 1

• x = 1 - y ------ (i)

3x - 5y = 19

Substituting (i) in the above equation,

3 (1-y) - 5y = 19

• 3 - 3y - 5y = 19
• -8y = 16
• y = 16/ -8
• y = -2 ------ (ii)

Substituting (ii) in (i),

x = 1 - (-2)

• x = 1 + 2
• x = 3

Hence option C is correct