Posted by jj on Saturday, October 30, 2010 at 5:51pm.
BC=3x+2 and CD= 5x10. Solve for x.

10th grade  Jen, Sunday, October 31, 2010 at 12:15am
Does BC=CD? If so,
3x+2=5x10
12=2x
12/2=x

10th grade  Cindy, Tuesday, April 12, 2011 at 4:57pm
if BC=DC then you would do
3x+2=5x10
then you do algebra by adding 10 to both sides like this
3x+2=5x10
+10 +10 the 10s cancel out

3x+2=5x
then you subtract 3x from both sides like soo
3x+12=5x
3x 3x 3Xs cancel out

12=2x then you divide 2 from both sides
/2 /2
answer: 6=X
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