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verafitriana26
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1 Jawaban
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1. Jawaban anggielinanggi
1. │4x – 7│ = 8 →│8│ →-│8│
● │4x-7│=│8│ ●│4x-7│=-│8│
4x – 7 = 8 4x – 7 = -8
4x = 8+7 4x = -8+7
4x = 15 4x =-1
x = 15/4 x = -1/4
2. │2x+1│=│x-2│ → │x-2│ → -│x-2│
● │2x+1│=│x-2│ ●│2x+1│=-│x-2│
2x+1= x-2 2x+1 = -x+2
2x - x = -2 -1 2x+x = 2 – 1
X = -3 3x = 1 X = 1/3
3. Gx tau