Question

a + 2 b - 5 c when a = 2 , b = 1

Answer 1

Answer:

4-5c

Step-by-step explanation:

a+2b-5c

=2+2-5c

=4-5c

Answer 2

Answer:

$given \: - \: \: \: \: \: \: \: \: \: \: a + 2 b - 5 c \\ \\ a = 2 \\ \\ b = 1 \\ \\ using \: \: a \: \: and \: \: \: b \: in \: \: the \: equaion$

$2 + 2 \times 1 - 5 \times c$

$4 - 5 \times c$

Hope it helps ☺️