Question

418-(15•d+2247) :27=297​

Answer 1

$418-(15\cdot d+2247) :27=297\\418-\frac{15d+2247}{27}=297\\418-\frac{3(5d+749)}{27}=297\\418-\frac{5d+749}{9}=297\\3762-(5d+749)=2673\\3762-5d-749=2673\\3013-5d=2673\\-5d=2673-3013\\-5d=-340\\d=68$