Question

PLEASE HELP ASAP!!!!

Answer 1

11

Explanation:

Since M is on LN,

LM + MN = LN.

`(2x+7)+3x=4x+9`

Remove brackets:

`2x+7+3x=4x+9`

Add the x terms:

`5x+7=4x+9`

Subtract 7 from both sides:

`5x+7-7=4x+9-7`

`5x=4x+2`

Subtract 4x from both sides:

`5x-4x=4x+2-4x`

`x=2`

`LM=2x+7=2(2)+7=4+7=11`