I have this equation that needs the values of x and the solution of x-3=0

Question

x-3=0

 

  x    -1   0  1  2  3

x-3   -4  ?   ?  ?  ?

 

 

what is the solution ?

Answer 1

Let's make it into columns just to see what's going on: a little better:

 x | x - 3

------------

-1|  -4

 0 |

 1 |

 2 |

 3 |

 

What's happening here is that you're given a list of x-values, and then you input the value into the expression x-3.

So it's giving usus:

-1 - 3 = -4

0 - 3 = what?

1 - 3 = what?

2 - 3 = what?

3 - 3 = what?

 

0 - 3 = -3

1 - 3 = -2

 

Continue the pattern, and you'll get the final two answers.

Answer 2

x-3=0
 
  x     -1     0   1   2  3
x-3    -4   -3  -2  -1  0

 

This is a table, or a list of values.  When x=-1 then (x-3) is -4.

    When x=0 then (x-3) is -3

    . . .   [see if you can follow the process]

 

When x=3, then (x-3) is 0 because (3-3)=0.