Question

Which choices are equivalent to the expression below? There is more than one answer

5x+ 2x + x

A. (5+2+1)x

B. 8x3

C. 8

D. 8x

Answer 1

a and d

Explanation:

b and c would not be an option because you still need tobfind the variable for x and you have to get your variables alone.

Answer 2

Answer: 5x + 2x + x = (5 + 2 + 1)x = 8x

Explanation:

The given expression is: 5x + 2x + x.

We can simplify it by combining the like terms with the same variable, which are the terms with x.

5x + 2x + x = (5 + 2 + 1)x = 8x

Therefore, the expressions equivalent to 5x + 2x + x are:

A. (5+2+1)x

D. 8x

Option B, 8x3, and option C, 8, are not equivalent to the given expression.