Selesaikan

(1) 2x + 1 = 9

(2) 4x - 5 = -13

(3) 3x = -2x - 15

(4) 2x = 3x - 8

Kunci Jawaban:

(1) 2x + 1 = 9
2x = 9 - 1
2x = 8
x = 4

(2) 4x - 5 = -13
4x = -13 + 5
4x = -8
x = -2

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

(4) 2x = 3x - 8
2x - 3x = -8
-x = -8
x = 8

• Kunci Jawaban Kurikulum Merdeka Matematika Kelas 7 SMP Halaman 98-99 Latihan 3.1 Rasio

Soal nomor 3

Selesaikanlah.

(1) 6x - 12 = 3x

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

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