3 years ago

X = 3y3x - 5y = 12 substitution

Mathematics

1 answer:

IgorLugansk [536]3 years ago

5 0

Answer:

x = 9 y = 3 (9,3)

Step-by-step explanation:

3x - 5y = 12

3(3y) - 5y = 12

9y - 5y = 12

4y = 12

4y/4 = 12/4

y = 3

x = 3(3)

x = 9

CHECK:

3(9) - 5(3) = 12

27 - 15 = 12

12 = 12

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