15x-10=20
+10 +10
15x=30
\15 /15
x=2
you add 10 to both -10 (they cancek eachother out) and 20 (equals 30)
Then you divide 30 by 15 (equals 2) and 15 by 15 (they cancel eachother out)
Then you get x=2
Answer:
Apply them sequentially.
Step-by-step explanation:
The store would apply the discounts sequentially because it gives less of a discount compared to if they did it all at once.
3 times 4 is equal to 12
8 times 4 is equal to 32
therefore 3:8 is equal to 12:32
hope this helps
If it’s blank and just a negative sign the answer should be -1
The answer is negative 149