Can anyone help me with these math problems?

Question

3x + 7> 5x +1

4( t - 5) > 5 - t

-10< 3x -9< 22

3x + 5 < -10 or 12 - x < 20

thanx

Answer 1

4&gt;x

t&gt;5

Thats all I got.

Answer 2

3x + 7 &gt; 5x + 1

3x + 7 - 3x &gt; 5x + 1 - 3x

7 &gt; 2x + 1

7 - 1 &gt; 2x + 1 - 1

6 &gt; 2x

6/2 &gt; 2x/2

3 &gt; x

4(t - 5) &gt; 5 - t

4t - 20 &gt; 5 - t

4t - 20 + t &gt; 5 - t + t

5t - 20 &gt; 5

5t - 20 + 20 &gt; 5 + 20

5t &gt; 25

5t/5 &gt; 25/5

t &gt; 5

-10 &lt; 3x - 9 &lt; 22

-10 + 9 &lt; 3x - 9 + 9 &lt; 22 + 9

-1 &lt; 3x &lt; 31

-(1/3) &lt; x &lt; (31/3)

Answer 3

i will write them all out the answers are in these things [     ] kay

3x + 7 &gt; 5x + 1

  -3x       -3x

7 &gt; 2x +1

-1        -1

6 &gt; 2x

/2    /2

[3 &gt; x]

4(t-5) &gt; 5-t

4t -20 &gt; 5-t

+t            +t

5t- 20 &gt; 5

    +20   +20

5t &gt; 25

/5   /5

[t &gt; 5]

this one is tricky have to seperate it into two proplems

-10 &lt; 3x - 9 &lt; 22

-10 &lt; 3x -9      3x-9 &lt; 22

+9         +9         +9   +9

-1 &lt; 3x            3x &lt; 31    

/3 &lt; 3               /3    /3

[-1/3 &lt; x]            [10 1/3]



3x +5 &lt; -10

     -5     -5

3x &lt; -15

/3     /3

[x &lt; -5]

12-x &lt; 20

-12     -12

[-x &lt; 8]