Question

a+b=547; (a-17):(b-30)=4

Answer 1

(a-17):(b-30)=4 =>a-17=4b-120 ⇒a=4b-103. inlocuim in prima expresie ⇒4b-103+b=547 ⇒5b=650 ⇒b=130 ⇒a=417