Answer:
3
Step-by-step explanation:
a is 4 and 3 is x so 4+3=7
<u>Switch operations</u>
Before:
After:
Before you switch operation you remove the subtraction sign where -(16) is.
(1,1)
x(x-4)(x-1)
________
2(x+4)
3360 dollars
280 x 12 = 3360