x = 3x + 1 ( 5 - x )
x = 3x + 1 - 5 + x
x = 4x - 4
x = 4/4 = 1
Jawabannya D.1
Maaf kalau salah
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3x+x<5-1
4x<4
x<4/4
x<1
x = 3x + 1 ( 5 - x )
x = 3x + 1 - 5 + x
x = 4x - 4
x = 4/4 = 1
Jawabannya D.1
Maaf kalau salah