Jawab:
Diketahui :
2x + 2y + 2z = 4
2y + 6z = 10
8z = 16
Ditanya : x,y,z?
Jawab :
z = 16/2
z = 8
2y + 6(8) = 10
2y + 48 = 10
2y = 10 - 48
2y = - 38
y = -38/2
y = -19
2x + 2(-19) + 2(8) = 4
2x + (-38) + 16 = 4
2x - 22 = 4
2x = 4 + 22
2x = 26
x = 13
Semangat belajar! ^_^
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Jawab:
Diketahui :
2x + 2y + 2z = 4
2y + 6z = 10
8z = 16
Ditanya : x,y,z?
Jawab :
8z = 16
z = 16/2
z = 8
2y + 6z = 10
2y + 6(8) = 10
2y + 48 = 10
2y = 10 - 48
2y = - 38
y = -38/2
y = -19
2x + 2y + 2z = 4
2x + 2(-19) + 2(8) = 4
2x + (-38) + 16 = 4
2x - 22 = 4
2x = 4 + 22
2x = 26
x = 13
Semangat belajar! ^_^