Answer:
Option 3,4,5 are correct.
Step-by-step explanation:
The system of equations are:

Multiply equation (2) with -3 and add with equation (1)

Value of y is 3
Putting value of y in eq(2)

Value of x is -2
So, Option 3,4,5 are correct.
Keywords: System of Equations
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Answer:
B
Step-by-step explanation:
Answer:
4 tens and 5ones
Step-by-step explanation:
there is a four in the tens place making it 40 and 5 in the ones place making it 45
Answer:
y = -5x + 4
Step-by-step explanation:
y=Mx+b
Answer:
the increase is by 2
Step-by-step explanation:
You can add 17 plus 2 or subtract 17 from 19.