(7x – 2y) – (3x + 5y)
2 answers:
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We want to convert this equation in terms of m, where
While solving this problem, I instantly noticed the in the first term of the equation. Replace that with m.
Simplifying the rest is not as obvious. Using the distributive property, we can change to
Do you see the "m" in here? Look again if you don't.
Now we can simplify the equation to and this cannot be simplified further.
I'm always happy to help someone who appreciates the help! :D
Hello logan693616!
A positive plus a negative will (always, sometimes, never) be negative.
Give an example that proves your answer:
A positive plus a negative will <u>sometimes</u> be negative.
- Suppose, we take a positive number whose value is greater than that of the negative number. While adding them, we'll take the sign of the greater number, which in this case is positive, so our answer will be a positive number. For example, <em>+4 + (-3) = <u>+1</u><u>.</u></em>
- Now, if we take a negative number which is greater than the positive number, the sum of the two numbers will be negative. For example, (<em>-4) + 3 = <u>-</u><u>1</u><u>.</u></em>
- So, the answer can actually depend based on the value of the numbers used.
- Hence, our answer is ⇨ A positive plus a negative will <u>sometimes</u> be negative.
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