How do I simplify the expression (7+5)+4⋅13–2?

Answer 1

parens first:
12+4⋅13-2
then multiplication:
12+52-2
then add and subtract, left to right:
64-2
62

Answer 2

Thank You, oobleck

Answer 3

12+4.13-2 = 14.13.

Answer 4

4⋅13 not 4.13

So, M&M, use * for multiplication to avoid this misunderstanding.

Answer 5

Thanks, oobleck.