Homework Help: Algebra

Posted by Shelbourne on Tuesday, January 6, 2009 at 4:32pm.

I was given this example for solving an equation

ax=b

1/2(ax)=1/2b

(1/2a)x=b/a

x=b/a

I do not understand why you would multiply ax by 1/2. I also do not get why canceling out 1/a times a/1 leads to a transferring to the other side. Thanks for your clarifications!! :)

Algebra - Reiny, Tuesday, January 6, 2009 at 5:09pm
to solve ax=b for x requires only one step, namely to divide both sides by a
ax/a = b/a
x = b/a

I don't understand the 1/2 nonsense

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