Question

which of the following system of linear equation has the solution, x=-1 and y=2 find​

Answer 1

Answer:

x+y=1 is the equation

mark as the brainliest answer

Answer 2

Given: $x=-1, y=2$

We can also write as

$x=-1\\x+1=0...(1)$

$y=2\\y-2=0....(2)$

Equate eq(1) and (2),

$x+1=y-2\\x-y=-3$