The equation looks like this:
26=x*3.5+8.50
where x is the number of pen you bought.
We solve it like this:
first, we subtract 8.50 from both sides:
17.50 =3.5*x
now we divide both sides by 3.5:
5=x
so you purchased 5 pens.
Answer:
25
Step-by-step explanation:
7 * 7 = 49
24 * 24 = 576
576 + 49 = 625

Please mark as brainliest
To subtract? as minus means subract/take away?