Step-by-step explanation: Ok so if the plant grew 3.25 inches every month, and there were 2.5 months, you need to multiply 3.25 by 2.5 to get the total amount of growth. So that would be 8.125
An equation is: 2(x+3)-7=9 Distribute the 2 2(x)+2(3) -7=9 2x+6-7=9 Combine like terms 2x-1=9 Add one to both sides 2x-1+1=9+1 2x=10 Divide both sides by two to isolate the variable. 2x/2=10/2 x=m