Answer: (4)
Step-by-step explanation:
Here, (7 * 9) = (7 * 10) - (7 * x)
Here, Take 7 as a common factor according to distributive property:
= 7(10 - x)
Now, 10-x = 9
x = 10-9 = 1
In short, Your Answer would be 1
Hope this helps!
Answer : 81 because it is the only one that is not a multiple of 4
Step-by-step explanation:
