Question

a *(b+5)=336
a*b=301

Answer 1

a × b + 5a = 336
a × b = 301
301 + 5a = 336
5a = 336 - 301
5a = 35
a = 35 : 5
a = 7
b = ?

7b = 301
b = 301 : 7   $=\ \textgreater \ a * b = 301$
b = 43

Answer 2

ab+5a=336
ab=301
301+5a=336
5a=336-301
5a=35
a=35:5
a=7