3(x+6)=x+2berserta contoh

3(x + 6) = x + 2

3x + 18 = x + 2

3x – x = 2 – 18

2x = -16

x = -16 : 2

x = -8

Jadi, nilai x adalah –8.

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Pembuktian

3(x + 6) = x + 2

3(-8 + 6) = -8 + 2

3(-2) = -6

-6 = -6