Question

solve 4x-5y= -20. class 11 cbse ​

Answer 1

Answer:

x=1    y=-4

Step-by-step explanation:

$4x-5y=-20\\4*0-5y=-20\\-5y=-20\\y=-20/-5\\\\\\\\4x-5y=-20\\4x-(5*-4)=-20\\4x=-20-16\\x=4/4\\x=1$