Question

exercise 5A
$3 \div x + 4y = 7$

Answer 1

$3 \div x + 4y = 7 \\ \frac{3}{x} + 4y = 7 \\ \frac{3 + 4xy}{x} = 7 \\ cross \: mulipication \\ 3 + 4xy = 7x \\ 4xy - 7x = - 3$
hope this will help u