Question

M is the midpoint. Find the value of X.

Answer 1

X=2

X+12=8X-2

X=8X-14

-7X=-14

X=2

Answer 2

We have: SM = TM ( because M is the midpoint )

So: x + 12 = 8x - 2

=> x - 8x = -2 - 12

=> -7x = -14

=> x = (-14) / (-7) = 2

Answer: x = 2

Ok done. Thank to me :>