Question

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

Answer 1

7x -1 is correct after combining like terms

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