Question

Solve by trial and error method 2y + 2 = 10​

Answer 1

if y = 1 , 2 × 1 + 2 = 4 - incorrect

if y = 2 , 2 × 2 + 2 = 6 - incorrect

if y = 3 , 3 × 2 + 2 = 8 - incorrect

if y = 4 , 4 × 2 + 2 = 10 - correct