Your friend thinks that the equation k - 3.5 = 21 is a true statement. Is your friend correct? Explain

k-3.5=21
21+3.5=24.5
k=24.5
24.5-3.5=21

4 answers

k=24.5 - yes
It is a TRUE statement if and only if k = 24.5
It is FALSE for any other value of k
That's how equations work.
um ok
I'm confused