6x+14=4x+4 How do I solve this I took -4x from each side and then 2x+14=4 and then did did -4 again on each side. I then did 2x/2 and got nothing and then on the other side I got 10/2. The correct answer is -5 but I got a positive 5. What'd I do wrong?

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Which expression is rational? 6. , square root two, square root 14, square root 49

In the diagram of circle o, what is the measure of zabc?