Matematika Sekolah Menengah Atas tolong banget besok kumpul​

flavioschuppeulv – March 06, 2023

tolong banget besok kumpul​

Jawaban:

1. x+5 = 20

x = 15

2. 2x-3 = x+8

x = 11

3. 7x-4 = 1

7x = 5

x = 5/7

4. x² + 2x - 34 = 1

x² + 2x - 35 = 0

(x - 5)(x + 7) = 0

x = 5 atau x = - 7

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