human
Given a sketch of a linear graph solve f(x) = n This is the graph of
\[
y=0.5 x-2
\]

According to the graph, what is the solution to:
\[
0.5 x-2=1
\] ![Graph showing straight line with y intercept (0,-2) and x intercept (4,0)]() \( x=-1.5 \)
gpt
Thinks they solve mx + c = a, by substituting in the value of a for x and therefore calculating ma + c