Question

solve the equation 2x+3y=7,x+2y=4 find xand y​

Answer 1

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Answer 2

Answer:

$2x + 3y = 7 \\ = > x + y = 7 \div 1 \times 2 \div 3 \\ = > x + y = 2xy = 7 \div 1 \times 2 \div 3 \\ = > xy = 21 \div 2 \times 2 \\ = > xy = 21$