Solve the system

4x+2y=7

y=5x

I keep getting 1/2 and 5/2 but there not one of my answer choices.

Work:

4x+2y=7

Y=5x

Solve by substitution

4x+2 (5x) = 7

Distribute

4x+10x=7

Add

14x=7

Divide

X=1/2

Solve for y

Y=5 (1/2)

Y=5/2

Answer: x=1/2 y=5/2

Check your work:

plug in answers

4 (1/2) + 2 (5/2) = 7

Distribute

2+5=7

7=7

Answer is correct

let me know your answer choices that you have