Question

solve simultaneous equation: 1/3x+1/4y=4, 5/6x-1/8y=4​

Answer 1

Answer:

Step-by-step explanation:

x/3 - y/4 + 1 = 0 , Multiply by 12:   4 x - 3 y = - 12    ---(1)

x/5 + y/2 = 4/15,  Multiply by 30:   6 x + 15 y = 8     ---(2)

(1) * 5 + (2)  =>  26 x = -60 + 8 = - 52

                               => x = -2

Substitute in (2):   -12 + 15 y = 8    =>  y = 4/3

Answer 2

Answer:

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