Question

solve this problem and

Answer 1

x = 3/2 = 1.5
y = - 1/2 = - 0.5

Answer 2

by adding 2 equations we get 2x=3
⇒x=3/2=1.5
substituting x=1.5 in x+y=1
⇒1.5+y=2
⇒y=1-1.5
⇒y=-0.5