y = 19
x = 4(19) + 21(19) = 76 + 399 = 475
3(475) × 7
1425 × 7
9975 <--- answer.
Hope this helped!
Nate
You would square 3968 and subtract 1.
Answer:
i don't know anymore
Step-by-step explanation: I don't know anymore
The answer to this question would be 5 by 9.
