Question

Find the value of y if x= -y and y= 5/2is the solution of equation x+4y-7= 0

Answer 1

Answer:

-13

Step-by-step explanation:

X=-y , y=5/2

X+4y-7=0

-y+4(5/2)-7=0

-y+20-7=0

-y+13=0

-y=0-13

-y=-13

Answer 2

Step-by-step explanation:

x= -y and y=5/2

x+4y-7=0

-y+4y-7=0

3y-7=0

3y=7

y=7/3