posted by jj on .
BC=3x+2 and CD= 5x-10. Solve for x.
Does BC=CD? If so,
if BC=DC then you would do
then you do algebra by adding 10 to both sides like this
+10 +10 the 10s cancel out
then you subtract 3x from both sides like soo
-3x -3x 3Xs cancel out
12=2x then you divide 2 from both sides