Persamaan nilai mutlak linier satu variabel 3|2x+3|-7=-4
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Pertanyaan
Persamaan nilai mutlak linier satu variabel 3|2x+3|-7=-4
1 Jawaban
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1. Jawaban sandysuhendra
3 |2x+3| - 7 = - 4
3 |2x+3| = 3
|2x+3| = 1
Mk
1) 2x+3 = 1
2x = - 2
x = - 1
2) - (2x+3) = 1
-2x-3 = 1
-2x = 4
x = - 2