Which is the correct algebraic expression after combining like terms? 6+8x-7-x a 7x-1 b 7x+13 c 9x-1 d 9x+13

7x -1 is correct after combining like terms

Step-by-step explanation:

6+8x-7-x

To simplify algebraic expression we combine like terms

In the given expression

-x  or -1x  are same

8x  and -1x  are like terms

6 and -7 are also like terms

8x-1x= 7x

6 - 7 = -1

So 7x -1 is correct after combining like terms

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