5x+9 = 10x-9
Take 5x from both sides
9 = 5x-9
Add 9 to both sides
18 = 5x
Divide by 5
3.6=x
Fyi I didn't find this on google or anything I did the calculation on my computer and yes this is correct...
If it's wrong I'm sorry...
<span>55832 + 11.25 x = 25.25 x
</span>55832 = 14 x
x = 3988 books
Answer:
$12.60 is the new price!
Step-by-step explanation:
20 x 0.7 = 14
14 x 0.9 = 12.6
Hope this helped!
Answer:
7
Step-by-step explanation:
4-(-3)=4+3 (negative times negative is positive)
4+3=7
Hope that helps!