Answer:
253cm
Step-by-step explanation:
(86cm*3)-5cm
= 258cm - 5cm
= 253cm
The number is 11 X 3 =33
5x - 1
Simply add the binomials together.
(3x - 2) + (2x + 1)
Combine like terms.
[3x + 2x] = 5x
[-2 + 1] = 1
5x + 1
mistakes are okay