Question

magic square using linear equations
sum is 30​

Answer 1

Answer:

x = 10

ATQ,

9+x+(x+1) = 30

=> 9+2x+1 = 30

=> 9+2x = 29

=> 2x = 29-9 = 20

=> x = 20/2 = 10

Step-by-step explanation:

Hope it helps you.

Answer 2

Answer:

=x ,you can see that if we put 9 in below the middle linear equation, we get 30. so 2x + 2 + 9 =30.Subtract 9,we get 21. Then subtract 2,we get 19.Thats it,value of 2x is 19, x= 19÷2=9.5