Answer:
3
Step-by-step explanation:
The original number is 3. To solve this you can take your final result (12) and ADD what you subtracted from the product (3) which would then give you the product (15). Next to find your beginning value you can divide by 5.
12+3 = 15
15/5 = 3
Answer:
or Subtract the same value from both sides.
Clear out any fractions by Multiplying every term by the bottom parts.
Divide every term by the same nonzero value.
Combine Like Terms.
Factoring.
Expanding (the opposite of factoring) may also help.
Recognizing a pattern, such as the difference of squares.
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Solving Equations - Math is Fun
3/10, 30/100 That’s the answer for your question,
True because u can always add or multiply to join groups