Answer:
10
Step-by-step explanation:
40=2a-3+2a+3a+1
add like terms
get 'a' by its self
- 40(+2)=7a-2(+2) [2 cancels out]
- 42(÷7)=7a(÷7) [7 cancels out]
- a=6
plug in the answer for Equations
- biggest: 3(6)+1= 18+1= 19
- smallest: 2(6)-3= 12-3=9
subtract smallest from biggest
