|×+1|+2×=7 dengan caranya
Matematika
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Pertanyaan
|×+1|+2×=7 dengan caranya
1 Jawaban
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1. Jawaban 18Navillera
| x + 1 | + 2x = 7
| x + 1 | = 7 - 2x
x + 1 = 7 - 2x
x + 2x = 7 - 1
3x = 6
x = 2
-(x + 1) = 7 - 2x
-x - 1 = 7 - 2x
-x + 2x = 7 + 1
x = 8
Hp = { 2 , 8 }