Mujhe toe aik he solution nazar aaing 25-55 karney se bachey ga -30 bracket solve karengey toe 150 answer araha hai .. ub -30 multiply ho raha hai 150 se so jab -30 ko hum hum reverse karengey toe ye phir 150 se divide hoga - ka sign v khatam ho jaye ga then divide kar dengey 150 se toe 5=5 ajaye ga answer @sheem;