SPLDV
eliminasi y
x + y = 3
x - y = 1
_______ ( + )
2x = 4 → x = 2 ✔
substitusikan x = 2 ke salahstu persamaan
2 + y = 3
y = 1 ✔
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SPLDV
eliminasi y
x + y = 3
x - y = 1
_______ ( + )
2x = 4 → x = 2 ✔
substitusikan x = 2 ke salahstu persamaan
x + y = 3
2 + y = 3
y = 1 ✔