1. 5x - 20 = 8
5x = 8 + 20
5x = 28
x = 28 /5
2. 4x + 2 = 7x-3
4x - 7x = -3 -2
-3x = -5
x = -5/-3 atau 5/3
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1. 5x - 20 = 8
5x = 8 + 20
5x = 28
x = 28 /5
2. 4x + 2 = 7x-3
4x - 7x = -3 -2
-3x = -5
x = -5/-3 atau 5/3