Question

8 x + Y is equal to 10 and 4 x + 2 Y is equal to 13 find the value of c and y

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Answer 1

Answer:

$8x + y = 13 \\ 4x + 2y = 13 \\ \\ 16x + 2y = 26 \\ 4x + 2y = 13 \\ \\ 12x = 13 \\ x = \frac{13}{12}$

putting the value of x in eq.(2)

$4 \times \frac{13}{12} + y = 13 \\ \frac{13}{3} + y = 13 \\ y = 13 - \frac{13}{3} \\ y = \frac{39 - 13}{3} \\ y = \frac{26}{3}$

Answer 2

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