42*3/6 is equal to 42*1/2, or 21.
Answer:
I think like expressions you use x or y or such many variables. you use - or + too. like (x+2)y there are parentheses too.
Answer:
Step-by-step explanation:
(3x+1)(x-3)-(2-2x^2-3x)
3x^2+x-9x-3-2+2x^2+3x
3x^2+2x^2+x-9x+3x-3-2
5x^2-5x-5
the constant term in the simplified expression is -5.
Step-by-step explanation:
use the steps of simultaneous
elimination steps
Answer:
147
Step-by-step explanation:
if you multiply by .40 then subtract that from 245 you get 147