Question

1. The lines x + 2y = 5 and y = 1 intersect ata.
a.(3, 1)
b. (3,-1)
c. (-3, 1)
d.(-3,-1).
2. The value of y when x = 10 and z= -5 in 3x - 5y+6z=0 is a.5
b.-5
c.0
d.12​

Answer 1

Answer:

1. a. (3,1)

2. c. 0

Step-by-step explanation:

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Answer 2

Answer:

Q1 a)3, 1 Q2 b) -5

Step-by-step explanation:

1) x+(2×1)=5

x+2=5

x=5-2

x=3

2) (3×10)-5y+(6×-5)

30-5y+(-30)

0-5y

-5y

y=-5