Question

a/3 = b/7= 4a+9b/_______ solution: a/3=b/7=4a+9b/4×___+9×___ = 4a+9b/12+_____ =4a+9b/_____​

Answer 1

${\huge{\huge{\huge{\bold{ANSWER}}}}}\\{\begin{matrix}</p><p>a & b\cr</p><p>c & d\cr</p><p>\end{matrix}}$