English, asked by natashaghildiyal, 5 months ago

21 - 3 (x - 7) = x + 20​

Answers

Answered by bhoomichoudhary209
7

Explanation:

21 – 3 (x – 7) = x + 20

⇒ 21 – 3x + 21 = x + 20 ⇒ 42 – 3x = x + 20

⇒ 42 – 20 = x + 3x ⇒ 4x = 22

⇒ x = 22/4 = 11/2 = 5.1/2

∴ x = 5.1/2

I hope its helpful to u

Similar questions