3a + 2 = a – 4a = ?​

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3a + 2 = a – 4a = ?​

Penjelasan dengan langkah-langkah:

3a + 2 = a – 5

3a – a = – 4 – 2

3a – 1a = -6

2x = -6

x = -6/2

x = -3

Diketahui :

3a + 2 = a – 4

 :

Ditanya :

Berapa nilai a?

 :

Dijawab :

3a + 2 = a – 4

3a – a = – 4 – 2 (pindah ruas)

2a = -6

a = -6 ÷ 2

a = -3

 :

Kesimpulan :

maka nilai a nya adalah 3.

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