Question

X + 3y = 7
2x + 5y = 13

Penyelesaian SPLDV dengan metode Eliminasi

Answer 1

Verified answer

X + 3y = 7 |×2
2x + 5y = 13

2x+6y=14
2x+5y=13
---------------- -
y=1

x+3(1)=7
x=4

Answer 2

X + 3y = 7          |x2|   2x+6y=14
2x + 5y = 13       |x1|   2x+5y=13
                               ----------------- -

                                           y=1

X + 3y = 7          |x5|   5x+15y=35
2x + 5y = 13       |x3|   6x+15y=39

                                   ----------------- -

                                            -x=-4

                                              x=4