Question 1140731
1) Five times the difference of a number and two is seven more than that number
<pre>
5(N-2) = N+7

You solve!

</pre>
2) Twice a number decreased by four is greater than ten, what numbers satisfy this condition?
<pre>
2N-4 > 10

  2N > 16

   N > 8

All numbers greater than 8 satisfy this condition.
</pre>
3) Twice a number decreased by two is equivalent to than number increased by five.
<pre>
2N-2 = N+5

You solve.

Edwin</pre>