Question

x is equal to 5 and Y is equal to - 2 is a solution of linear equation 2 x -y is equal to 12

Answer 1

x=5 y=-2
2x-y=12
2(5)-(-2)=12
10+2=12
12=12

Answer 2

x = 5
y = -2
2x-y = 12
Therefore 2*5-(-2) = 12
10+2 = 12
12 = 12
= 1