Answer:
Step-by-step explanation:
First, set up your equations.
Elaine bought 11 shirts and 7 pants.
We know that she bought 15 shirts, so her shirts + pants is equal to her amount.
s + p = 15
We also know that she bought 7 more shirts than pants, so pants + 7 = shirts.
s = p + 7
Since the second equation already has an isolated variable, let's swap it into the first equation.
(p+7) + p = 15
2p + 7 = 15
2p = 8
p = 4
Since we found shirts, we can now find pants.
s = p + 7
s = (4) + 7
s = 11
