Posted by jo on .
I am having trouble with algerbra.
simplifying expressions.
e.g. write an equation to represent the following situation. Where is the best place to look this up for a beginner? e.g. N+5=23
T=3H where T represents Tobys weight.
The adult weighed three times as much as the child A = 3 *c

math 
Monica,
you might want to elaborate more. What exactly is your question? A maths problem sum, or "where is the best palce to look this up..."?