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14-05-2019
Mathematics

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Calculate the value of P and of Q that satisfy the following simultaneous linear equations.
[tex] \frac{1}{2} p - 3q = 11 \\ 5p + 6q = 2[/tex]
Help me pls

Respuesta :

14-05-2019

0.5p -3q =11
5p +6q =2

1) ×-2

--> 3. -p +6q =-22

2) - 3)

6p =24

p =4

sub into 2)

5(4) +6q =2

20 +6q =2

6q =2 -20 =-18

q=-3

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