4p-3q=11,p-5q=7.solve the simultaneous equation

Answer 1

4p - 3q = 11

p - 5q = 7

Multiply by 4.

4p - 20q = 28

Subtract first equation from modified second to find q, then insert q value into either equation to find p.

Answer 2

How to solve 2p+ q=13,p - 3q=-4