Solution set is: (
)
Option B is correct
Step-by-step explanation:
We need to find the solution to system of equations

Let:

Putting value of y from eq(2) into eq(1)

So, value of x=7
Putting value of x into equation 1 to find the value of y:

So, value of y = 
Solution set is: (
)
Option B is correct
Keywords: System of equations
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Answer:159
Step-by-step explanation:
ur welcome
Answer:
Read below
Step-by-step explanation:
I don't understand the answer choices, but supplementary angles add up to 180°. It looks like the third option is correct.