I multiply the third row by -1 and I add the three rows as follows:
1 - 3 + 4 = 100 4 - 6 + 9 = 999 -2+6 - 7 = -879 By adding the three equations, we obtain: 3 - 3 + 6 = 220
The answer is 220
Can you solve the equations and find the value of the missing number?
In the picture you will see a football, basketball and a volley ball represent certain numbers.
Can you solve this number puzzle?
If 8801=5 5261=1 9632=2 6381=3 Then 6329=?