Question

Solve the system algebraically.

y= 3-1/2x
3x+4y=1
What is the value of x?

1. 17/2
1. -11
3. 11

Answer 1

Answer: x = -11

Explanation:

Sub in y= 3-1/2x into 3x+4y=1 for y, and solve for x.

`3x+4(3-(1)/(2)x) =1\\3x + 12 - 2x =1\\\\\ x = -11`