Kunci Jawaban

KUNCI JAWABAN Matematika Kelas 7 Halaman 102 103 Kurikulum Merdeka, Soal-soal Persamaan Linear

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Soal dan kunci jawaban pelajaran Matematika Kelas 7 SMP halaman 102 103 Kurikulum Merdeka

(2) 7x - 3 = 5x + 7

(3) 5x + 15 = -2x + 1

(4) 3 + 7x = 4x - 6

(5) 8 + 2x = 3x - 1

(6) 3x + 2 = x + 4

Kunci Jawaban:

(1) 6x - 12 = 3x
6x - 3x = 12
3x = 12
x = 4

(2) 7x - 3 = 5x + 7
7x - 5x = 3 + 7
2x = 10
x = 5

(3) 5x + 15 = -2x + 1
5x + 2x = -15 + 1
7x = -14
x = -2

(4) 3 + 7x = 4x - 6
7x - 4x = -3 - 6
3x = -9
x = -3

(5) 8 + 2x = 3x - 1
2x - 3x = -8 - 1
-x = -9
x = 9

(6) 3x + 2 = x + 4
3x - x = -2 + 4
2x = 2
x = 1

Ilustrasi pelajaran matematika 1 (Freepik)

Soal nomor 4

Selesaikanlah

(1) 2(x - 5) + 1 = 7

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