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Verified answer
|7x| = 3 - xa) 7x = 3 - x
7x + x = 3
8x = 3
x = 3/8
b) 7x = -(3 - x)
7x = -3 + x
7x - x = -3
6x = -3
x = -3/6
x = -1/2
Jawaban : (E) x = -1/2 dan x = 3/8