3 years ago

2x - 3y = 1 and x + 2y = 18

Mathematics

1 answer:

Yuliya22 [10]3 years ago

5 0

Answer:

x = 8 and y = 5

Step-by-step explanation:

2x - 3y = 1 --(1)

x + 2y = 18

x = 18 - 2y --(2)

sub (2) into (1):

2(18 - 2y) - 3y = 1

36 - 4y - 3y = 1

-7y = 1 -36

7y = 35

y = 5

x = 18 - 2(5) = 8

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2x - 3y = 1 and x + 2y = 18​

2x - 3y = 1 and x + 2y = 18