Question

If MO=7x−4, and NO=6x, what is the length of MN¯¯¯¯¯¯¯¯¯¯?

Answer 1

x - 4

Explanation:

ON = -NO = -6x

OM = -MO = -7x + 4

MN = ON - OM

-6x - (-7x + 4)

-6x + 7x - 4

x - 4

Answer 2

13x-4

Explanation:

MO=7x-4

NO=6x

MO+NO=?

7x-4+6x=13x-4