Question

2x+y/2-5=0 and x/2+y=-4 solve the equation graphically​

Answer 1

Step-by-step explanation:

2x+y/2-5=0

this is equation 1

x/2+y=-4

this is equation 2

2x+y/-3=0

2x+y=0

2x=0-y

2x=y

x=y/2

this is equation 3

substitute the x value in equation 2

y/2/2+y=-4

y+y=-4

2y=-4

y=-2

now substitute y value in equation 3

x=y/2

x=-2/2

x=-1

now the values of x and y are -2 and -1

this method is called substitution method