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45 + 6 +b can this be simplfied

A variable is

algebra vocabulary

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Questions 11

Answers

1
A variable is
an integer
a value that does not change
a letter or symbol that stands for an unknown value
a letter or symbol that stands for a known integer
2
45 + 6 +b can this be simplfied
maybe
yes
no
sometimes
3
Does a constant change?
only on Friday
yes
maybe
no
4
which of these is not an equation
5c +3 =12
6b=30
-3/4 = 20
3x+ 4y +5z +7
5
What is an equation?
a letter or symbol
a value that does not change
a mathematical sentence that describles 2 equal values
operations that undue each other
6
in the equation 5b + n = 15 , what is the coefficient
there is no coefficient
5
n
15
7
in 5x +8 = 15 what is 8 called
variable
inverse operation
coefficient
constant
8
What is the inverse of division?
multiplication
addition
subtraction
unknown
9
operations that undu each other are called
inequalities
expressions
inverse operations
variable
10
Which equation does not have a variable
3x +2 = 17
5+3 = 8
25= 6r-5
2b= 20
11
The number that is assiciated with variables is
inverse operation
equation
constant
coefficient