dengan metode gabungan tentukan himpunan persamaan dari
[tex]4x - 3y = 1[/tex]
[tex]2x - y = - 3[/tex]
[tex]4x - 3y = 1[/tex]
[tex]2x - y = - 3[/tex]
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SPLDV
2x - y = -3 kali 2
4x - 2y = -6
eliminasi x
4x - 2y = -6
4x - 3y = 1__(-)
y = -7
2x - y = -3
y = 2x + 3
substitusi y
4x - 3y = 1
4x - 3(2x + 3) = 1
4x - 6x - 9 = 1
-2x = 1 + 9
x = 10/-2
x = -5
Verified answer
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