Question

determinati a știind ca b+c=10 si ab+ac + a = 176

Answer 1

$ab+ac+a=176 \\ b+c=10 \\ a=? \\ ab+ac+a=176 \\ a(b+c)+a=176 \\ 10a+a=176 \\ 11a=176 \\ a=176:11 \\ \boxed{a=16}$