Question

Tyler is simplifying the expression 6−2x+5+4x. Here is his work: 6−2x+5+4x (6−2)x+(5+4)x 4x+9x 13x Tyler's work is incorrect. Explain the error he made. Simplify the expression 6−2x+5+4x.

Answer 1

step 2

Explanation:

he was not supposed to multiply by x

he was supposed to combine like terms

add -2x and 4x and add 6 and 5

Answer 2

You have to combine like terms. The 6 and the 5 go together to make 11. The -2x and the 4x go together to make 2x

The simplified answer should be 2x+11