Wednesday, December 17, 2008

How Good is Your Algebra?

How good is your algebra?
Solve for x:

3 comments:

Meglyn Lansing said...

OMGOSH i can't believe your site has this today - just finished hashing thru algebra with my 7th grader, been too long, had to pre-read her book b4 she got home!!!
and by the way OHHH RAHH marine, happy belated birthday! :)
Meglyn Lansing

Hans said...

Is everyone just to shy to actually admit that they don't know how to solve this, or they might solve it, but not know weather "not solvable" might be the wrong answer?

Cheers, Hans

Andrew Youll said...

((2*X + 10)/2) -X = 5
((2*(-2) + 10)/2) -(-2) = 5
((-4 + 10)/2) +2 = 5
(6/2) + 2 = 5
3 + 2 = 5

X = -2