Question 84380
{{{(a/-25)+3)}}} < 3 [isolate the a-term]
.
{{{(a/-25)+3-3)}}} < 3-3
.
{{{a/-25)}}} < 0
.
{{{(-25/1)(a/-25)}}} > {{{((-25/1)(0))}}}
[flip the sign when multiplying or dividing by a negative number]

.
a>0 
.
 <______(-1)________(0=====> infinity)  
[On the number line, "a" is greater than (0)]
.
Therefore, "a" is greater than every number after zero (but does not include zero) on to infinity]

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(0, infinity) [use parenthesis to indicated that the number is not included]