Ismaelrodriguez
Answered

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Hey guys I need help with this math problem so what's 6x-(3x-7)+1

Sagot :

We have to simplify 6x-(3x-7)+1. First we have multiply -1 (invisible -1 in front on parenthesis) by each argument inside the parenthesis.
Lets do this
6x-(3x-7)+1=6x+(-1)*(3x)+(-1)*(-7)+1=6x-3x+7+1
Now we can simplify 6x with -3x and 7 with 1 to get
6x-3x+7+1=3x+8 - its our result
apologiabiology
Just so you know, you posted this question in the English section.

anyway the answer is PEMDAS

so the parenthasees is tricky
-(3x-7)
remember that -(3x-7) means -1(3x-7) so it equals -3x-(-7)
6x-(3x-7)+1
6x-3x+7+1
3x+8
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