Jika 7 x + 12 = 3 x – 8, maka nilai dari x + 3 adalah​

Jawaban:

-2

Penjelasan dengan langkah-langkah:

7x + 12 = 3x – 8

7x – 3x = -8 – 12

4x = -20

x = -5

Maka,

x + 3 = -5 + 3 = –2

Jawaban:

-2

Penjelasan dengan langkah-langkah:

7x + 12 = 3x – 8

7x – 3x = -8 – 12

4x = -20

x = -20÷ 4

x = -5

nilai x + 3 =...?

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