SOLUTION: List the elements of the given set in roster notation {x|7-x=9;x,an integer} thank you

SOLUTION: List the elements of the given set in roster notation {x|7-x=9;x,an integer} thank you

Algebra.Com

Question 698310: List the elements of the given set in roster notation
{x|7-x=9;x,an integer} thank you
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
7-x = 9

7 = 9 + x

7 - 9 = x

-2 = x

x = -2

So the set

{x|7-x=9;x,an integer}

is the same as the set

{ -2 }

Since only the number -2 satisfies the equation 7 - x = 9
RELATED QUESTIONS
List all subsets of the set {8, 1, 3} List the elements of the given set in roster... (answered by MathLover1)

List the elements of the set in roster notation. (Enter EMPTY or ∅ for the empty... (answered by amarjeeth123)

List the elements of the set in roster notation. (Enter � for the empty set.) {x | x is... (answered by Edwin McCravy)

list the elements given set in roster notation {x:x is digits in the number 352,646}... (answered by stanbon)

List the elements in the set. {x I x is a negative multiple of... (answered by richard1234)

Rewrite the set M by listing its elements. Make sure to use the appropriate set notation. (answered by Edwin McCravy)

Can someone please help me with this? Let U = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, A (answered by ewatrrr)

Let U = {7, 8, 9, 10, 11, 12, 13, 14, 15, 16}, A = {7, 9, 11, 13, 15}, B = {8,... (answered by Fombitz)

express the set in roster format {x|x Є N and 7 ≤ x < 12} Please show steps. Thank... (answered by MathLover1)