Question

A student concluded that the solution to the

equation 2x +1+3 = 0 is x = 4.
Do you agree? Explain why or why not.

Answer 1

No, for 2(4)+1+3 does not equal 0 it equals 12

Explanation:

first we have

2x+1+3=0 x=4

replace x with 4

2(4)+1+3=0

then following pemdas

8+1+3=0

finish it up

12=0