Question

Evaluate the expression if a = 5, b = 12 and c = 4.

5a − (b − c)
a.
6
c.
17
b.
3
d.
18

Answer 1

substitute a b c values

Answer 2

\[5\times5-(12-4)\]\[5\times5-8\]\[25-8\]\[Answer=17\]

Answer 3

\[\huge\rm 5\color{red}{a}-(\color{blue}{b}-\color{green}{c}) \]
\[\rm \color{red}{a=5}\]\[\rm \color{blue}{b=12}\]\[\rm \color{green}{c=4}\]
plug in

Answer 4

C. Confirm it.