Evaluate One Step Expressions

Evaluate 3 + m

if m = 4

Evaluate 16 - z

if z = 9

Evaluate 12r

if r = 5

Evaluate 4m - 2

if m = 4

Evaluate 12x + 1

if x = 2

Evaluate 3z

if z = 9

Evaluate m+10

if m = 2

Evaluate n / 4

if n = 20

Evaluate m + n

if m = 12 and n =2

Evaluate 3p

if p = 12