Answer:
Alex had $196.54 in her account before the purchase.
Step-by-step explanation:
Given:
Amount spend on medicines = $35.31
Balance Amount Remaining = $161.23
We need to find the amount in her account before purchase.
Solution:
Let the amount in her account before purchase be 'x'.
Now we can say that;
Amount in her account before purchase minus Amount spend on medicines is equal to Balance amount remaining.
framing in equation form we get;
![x-35.31=161.23](https://tex.z-dn.net/?f=x-35.31%3D161.23)
Now by Using Addition property of equality we will add both side by 35.31 we get;
![x-35.31+35.31=161.23+35.31\\\\x=\$196.54](https://tex.z-dn.net/?f=x-35.31%2B35.31%3D161.23%2B35.31%5C%5C%5C%5Cx%3D%5C%24196.54)
Hence Alex had $196.54 in her account before the purchase.