Matematika Sekolah Menengah Atas soal soal nilai mutlak dan penyelesaian nga​

ceciledouglasulv – March 09, 2023

soal soal nilai mutlak dan penyelesaian nga​

Jawaban:

1. | x+2 | = | 2x-1 |

• x+2 = 2x-1

2+1 = 2x-x

3 = x

x = 3

• x+2 = -(2x-1)

x+2 = -2x+1

x+2x = 1-2

3x = -1

x = - ⅓

2. | x | = 3

• x = 3

• x = -3

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