Yes they are right you did a great job!
Let's solve this problem step by step.
28=8b+13b-35
Step 1: Bring 35 to 28.
28=8b+13b-35
+35 +35
63=8b+13b
Step 2: Add 8b and 13b.
63=21b
Step 3: Divide both sides by 21.
63/21=21b/21
So, the answer for this problem is 3=b.
Simplest form of:
12/30=2/5
12/20=3/5
21/35=3/5
Answer:
Moving the decimal 3 places to the right in a decimal number is the same as multiplying the number by 1000.
The answer is A. 2, -2
Hope I helped!
Let me know if you need anything else!
~ Zoe
