Algebraic Expression Simple Substitution

Simplify: 10n + 3h

when n = (-4) and h = 0

• 0

• -37

• 40

• -40

Simplify: n⁴

when n = 3

• 81

• 12

• 7

• The answer is not here.

Find the variable and constant in the algebraic expression y+21_________

• No variable

• No constant

• Variable is 21 & constant is y

• Variable is y & constant is 21

Form the equation for the following statement :

'one third of y is 25'

• y + 3 = 25

• y ⁄3 = 25

• 3y = 25

• y - 3 = 25

w + 12 = 20

• w = 32

• w = -32

• w = 8

• w = -8

3x = 36

• x = 18

• x = 12

• x = 6

• x = 33

x - 8 = -5 

• x = 13

• x = -13

• x = 3

• x = -3

x/4 + 9 = 11

• 8

• 2

• .5

• -8

3n = 39

• 117

• 36

• 12

• 13

Substitution is when you...

• Replace a variable with a number

• Replace a coefficient with a variable

• Add or subtract a constant

• Add or subtract like terms