5(x-2)+.4(3+x)=20 berapa nilai x

5(x-2)+.4(3+x)=20 berapa nilai x

Jawaban:

5(x – 2) + 4(3 + x) = 20

5x – 10 + 12 + 4x = 20

9x + 2 = 20

9x = 18

x = 2

Jawab:

dik: 5 (x – 2) + 4 (3 + x) = 20

dit: x = ?

peny:

⇒ 5 (x – 2) + 4 (3 + x) = 20

⇒ 5x – 10 + 12 – 4x = 20

⇒ x + 2 = 20

⇒ x = 20 – 2

⇒ x = 18

Penjelasan dengan langkah-langkah: