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babymother [125]
3 years ago
6

What is the value of y in this system of equations?

Mathematics
2 answers:
Georgia [21]3 years ago
6 0

Answer: Y equals -6

Step-by-step explanation:

mote1985 [20]3 years ago
5 0

Answer:

-21

Step-by-step explanation:

-6x + 2y = -18.........(i)

-3x - 2y = 54...........(ii)

add equ.(ii) to equ. (i)

(-6x + [-3x]) + (2y + [-2y]) = -18 + 54

-9x = 36

x = -4

sub x= -4 into equ (i)

-6(-4) +2y = -18

24 + 2y = -18

24 +18 = -2y

42 = -2y

y = -21

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