Fun Algebra

i am thinking of a number such as  n,if i double it then subtract 2 and get an answer of 8

• 2n-2=8

• 2-2n=8

• 2n+8=2

• 8+2=2n

In 3x=12, the x is called the

• coefficient

• variable

• constant (term)

• equation

In the equation 3x=5  the 3 is called the

• variable

• term

• coefficient

• constant

x,y,a,s,t...  These are called

• variable expressions

• variables

• equations

• coefficients

An expression that represents repeated multiplication of the same factor

• base

• power

• expression

• none of these

A value that does not change is called 

• variable

• constant

• monomial

• exponent

• 3

• 2

• -4

• 4

• 3 and 4

• 4 and -2

• -2 and 3

• 3, 4 and -2

• -7

• 3

• 4

• -2

• -3

• 2

• 4

• -2