Question

Does x=3 satisfy 2x-1=4? Explain your reasoning

Answer 1

No.

Explanation:

Plug in 'x' for 3.

`2(3)-1=4\\\\6-1=4\\\\\boxed{5\\eq 4}`

'x = 3' is not a solution because when plugged in the final product is a contradiction.

Hope this helps.