The perimeter is 40. how much bigger is the longest side than the shortest side?

10

Step-by-step explanation:

40=2a-3+2a+3a+1

add like terms

40=7a-2

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= 19smallest: 2(6)-3= 12-3=9

subtract smallest from biggest

19-9=10

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!