Question

This is from simultaneous linear equations you can use any method. THANK YOU

Answer 1

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4/p + 15/q = 72

15/p - 1/q = 41

• SOLUTION in attachment

P = 3

Q = 4

Answer 2

4/p + 15/q = 72 15/p - 1/q = 41

a = 1/p b = 1/q

4a + 15b = 72 [15a - b = 41 ] ×15

4a + 15b = 72 225a - 15b = 615

• ADD ABOVE EQUATION

4a + 15b + 225a - 15b = 72 + 615

229a = 687

a = 3

• Put a = 3 in 4a + 15b = 72

15b = 72 - 12

15b = 60

b = 4

• Now

a = 1/p = 3

p = 1/3

b = 1/q = 4

q = 1/4