Question

Solve the system of equations using elimination. How many solutions does the system have?

15j + 12k = 18
5j + 4k = 6
Responses

A. One solution, j = 3, k = 3

B. No solution

C. One solution, j = 10, k = 8

D. Infinitely many solutions

Answer 1

I hope it helps u

Explanation:

Let's solve your system by elimination.

15j+12k=18;5j+4k=6

Multiply the second equation by -3, then add the equations together.

(15j+12k=18)

−3(5j+4k=6)

Becomes:

15j+12k=18

−15j−12k=−18

Add these equations to eliminate j:

0=0

Answer:

Infinitely many solutions

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