spldv 3x+2y=8 x-5y=-37 hitung 6x+4y=...

3× + 2y =8. | ×1 | 3× +2y = 8
× -5y = -37 |×3 | 3× -15y = -111
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3× +2y=8 17y = -119
3×+2(7)=8 Y = -119/ 17
3× + 14 =8 Y = 7
3× = 8-14
3× =-6
× = -6/3
× = - 2
Jadi nilai × =-2 dan nilai y = 7
6× + 4Y= 6( -2) + 4(7)
= -12 + 28
= 16