Question

6.)Find the length of NM if NR = 4x + 7, RM = x + 3, and NM = 7x + 2.NRMa.) X=b.)NM=

Answer 1

$\begin{gathered} \text{ Since NM = NR+RM then, } \\ 7x+2=4x+7+x+3 \\ 7x+2=5x+10 \\ 2x=8 \\ x=4 \end{gathered}$$\begin{gathered} \text{Therefore } \\ NM=7\cdot4+2=30 \end{gathered}$