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BabaBlast [244]
4 years ago
14

What is the solution of the system?

Mathematics
2 answers:
Arlecino [84]4 years ago
5 0
It's the second answer
Neko [114]4 years ago
5 0

Answer:

The correct option is 1.

Step-by-step explanation:

The system of equations is

5x+6y=20           ....(1)

9x+11y=32          ....(2)

Multiply equation (1) by 11.

55x+66y=220           ....(3)

Multiply equation (2) by 6.

54x+66y=192           ....(4)

Subtract equation (4) from equation (3).

55x+66y-54x-66y=220-192

x=28

Substitute x=28 in equation (1).

5(28)+6y=20

140+6y=20

6y=-120

y=-20

Therefore the solution of the given system of equations is (28,-20). Option 1 is correct.

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