6 ( I ) Q.6. Solve the following pairs of equations: (i) 5m - 5n = 12; 2m + 9n = 20 Share with your friends Share 3 Varun Rawat answered this i.5m - 5n = 12 .....12m + 9n = 20 ......2Multiply 1 by 9 and 2 by 5, we get45m - 45n = 108 ....310m + 45n = 100 .....4Adding 3 and 4, we get55m = 208⇒m = 20855Put the value of m in 2, we get2×20855 + 9n = 20⇒41655 + 9n = 20⇒9n = 20 - 41655⇒9n = 1100 - 41655⇒9n = 68455⇒n = 7655 5 View Full Answer Nikky 💞 answered this Please find this answer 6 Nikky 💞 answered this Please find this answer 10 Nikky 💞 answered this Hope this helps..... 1
