Assuming that your "new math" follows the traditional order of operation, just do it.
a ☺ b = 2a − 3b
then:
(1 ☺ 2) ☺ 7
= (2 - 6) ☺ 7
= -4 ☺ 7
= -8 - 21
= -29
Let a ☺ b = 2a − 3b. What is the value of (1 ☺ 2) ☺ 7?
1 answer