What is 7+3×7-3×7+3-3?

Answer 1

You will need to use PEMDAS to answer this question. According to PEMDAS, it should be like this:

7+(3x7)-(3x7)+3-3 =

7 + (21) - (21) +3 - 3 =

Essentially the 3s and 21s cancel each other out, making the answer 7.