Question

WHAT IS THE EQUATION OF TWICE A NUMBER WHEN ADDED TO 7 GIVES 20​

Answer 1

Step-by-step explanation:

2x+7=49

2x=49−7

2x=42

x=21

So, the number is 21.

Answer 2

Answer:

13 + 7 = 20

13 is answer

twice of a number added to 7 = 20

so 13/2 = 6.5

check

6.5 X 2 = 13

13 + 7 = 20