Expressions Using Substitution One Variable

a - 1.1 = 2.3

a = ?

• a = 3.4

• a = 3

• a = 1.2

• a = 1.1

Simplify: 13 - 4x

when x = (-8)

• -19

• -45

• 45

• The answer is not here.

Last one,  5x + 2x + 2= ___________
x= 2

• 16

• 13

• 0

• 4

Find the value of this expression if x = 8
x² + 12 - 2x 

• 66

• 60

• 56

• 12

Find the value of this expression if c = 4
14 + 3c² - 15 + c

• 37

• 51

• 41

• 121

Evaluate 8a - b if a = 10 and b = 6

• 74

• 38

• 86

• 8106

expressions that have the same value regardless of the value that is substituted for the same variable

• terms

• equivalent expressions

• algebraic expressions

• numerical expressions

a letter or a symbol that represents an unknown quantity

• exponent

• power

• variable

• term

what happens when you take a value and put it in place of a variable.

• substitution

• coefficient

• prime factorization

• order of operations

A number such that the number sentence resulting from substituting the number for all instances of the variable in both expressions is a true number sentence.

• Solution of an Equation

• Factor

• Product

• Numerical Expression