human
Given an equation, form  or identify related equations Tom and Katie are discussing this equation:
\[
x+y=12
\] Tom uses the equation to write:
\[
3 x+3 y=36
\] Katie uses the equation to write:
\[
x+2 y=24
\] Who has written a related linear equation? Only
Katie
gpt
Does not understand that when multiplying both sides of an equation by an amount every term must be multiplied by the same amount