Answer:I would add 3x on both sides because it would allow you to have a positive variable saving you time and effort.
Step-by-step explanation:7=7x-9
She has to 40 more laps. 50% is a half, so 40 is half of something. so you are dividing 40 by a half, which is 80. half of 80 is 40.
27/100 because you can't simplify 27 and 100 so it's just 27/100
Answer: f
Step-by-step explanation:
11 is on RHS or the right hand side
therefore the variable in LHS or left hand side is f
hope it helped u,
pls put thanks