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rosarioemily580
09.01.2021 •
Mathematics
Subtract (8x + 6) − (x + 4).
I WILL BE MARKING BRAINLIST!
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Ответ:
Step-by-step explanation:
Alright. First, we have to remember that anything, even a minus sign, directly outside of a term in parentheses means that the term is being multiplied by that number or sign outside of it. A minus sign simply means -1.
I'm going to show you one method. There might be another one, but this method will be useful later in algebra.
So, we've established that a minus sign is actually -1. Now, let's rewrite the equation.
We'll simplify this now by removing the parentheses and distributing that -1.
Rearrange.
Combine like terms.
So,
equals
.
Ответ:
D
Step-by-step explanation: