Answer:
x=7
Step-by-step explanation:
5x-10=25
+10 +10
5x=35
÷5 ÷5
7
Basically what you do is simple. First your -10 turns into positive 10 and you add 10 to 25. Which gives you 35. Then you have 5x. With 5x you simply divide 35 by 5 which gives you 7.
15 cents
it is a.