Question

Solve the
equations: 3x y = 3, 7x+2y = 20
​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

$3x + y = 3 \\\\=> y = 3 - x -----(i)\\\\7x + 2y = 20\\\\7x + 2(3 - x) = 20\\\\7x + 6 - 2x = 20\\\\5x + 6 = 20\\\\x = \frac{14}{5}\\\\Substitute\ x\ in\ (i)\\\\y = \frac{1}{5}$

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