Expression: 2a - b + c
a = 3, b = 4, c = 10
To evaluate such expression, all we have to do is substitute these values to the expression like this:
[tex]\begin{gathered} 2a-b+c \\ =2(3)-4+10 \\ =6-4+10 \\ =2+10 \\ =12 \end{gathered}[/tex]Therefore 2a + b - c = 12 if a = 3, b = 4, and c = 10.
