Question

the value of x in 3×-7 =20 is​

Answer 1

Answer:

ans is -9 so you can write

Step-by-step explanation:

The solution of the equation 3x + 7 = –20 is -9. Consider the equation, 3x + 7 = –20 Transposing 7 from left hand side to right hand side it becomes -7, 3x = – 20 – 7 3x = – 27 x = -27/3 x = – 9Read more on Sarthaks.com - https://www.sarthaks.com/778265/the-solution-of-the-equation-3x-7-20-is

Answer 2

Let's solve-

3x-7=20

3x=20+7

3x=27

x=27/3

x=9

Now check-

3×9-7=20

27-7=20

20=20

LHS=RHS

Prooved✔︎

Hope it helps you☺️