Question

solve simultaneous equation
x+y=4;2x-5Y=1​

Answer 1

Answer:

x+y=4

x=4-y

2x-5y=1

2(4-y)-5y=1

8-2y-5y=1

-7y=1-8

y=-7/-7

=1

x=4-y

x=4-1

=3