Question

Q6. Solve

4x + 3y = 5
2x + 3y = 1
Your answer

What does x equal and what does y equal

Answer 1

(2,-1)

x=2

y=-1

Explanation:

Answer 2

4x + 3y = 5...(1)
2x + 3y = 1...(2)

(2)*2:
4x+6y=2...(3)

(1)-(3):
4x+3y-(4x+6y)=5-2
4x+3y-4x-6y=3
-3y=3
y=-1

By sub. y=-1 in (2), we have
2x+3(-1)=1
2x-3=1
2x=4
x=2
The solution is x=2,y=-1