Question

Tentukan himpunan penyelesaian
4x + 2y = 5
2x + 3y = 15/2

Answer 1

4x+2y =5 dikali 1
2x+3y =15/2 di kali 2

menghasilkan :
4x+2y=5
4x+6y=15
_____________ -
-4y=-10
y=10/4
=5/2

4x+2y =5
4x+2(5/2) =5
4x+5=5
4x=0
x=0/4
x=0

HP {0,5/2}