Answer: 2
Step-by-step explanation:
Solve the system first
2x+4y=5
4x+2y=7
Multiply the top equation by -2 to you can solve using a linear combination
-2(2x+4y)=-2(5)
-4x-8y=-10 add to
4x+2y=7 to get
0x-6y=-3
y= 1/2
Put y back into one of the original equations and solve for x
4x+2(1/2)=7
4x+1=7
4x=6
x=3/2
add x and y together
1/2+3/2= 4/2= 2
