3 years ago

PLEASE HELP… !!!!!!!

2 answers:

8 0

You would set it up 2x + 7 + 3x = 4x+ 9
Then you combine like terms, 5x+7=4x+9
Subtract 5x-4x , 9-7 and you get x=2
Then you substitute it to LM 2(2)+7 and you get 11

valentina_108 [34]3 years ago

5 0

Answer:

LM=11

Step-by-step explanation:

LN= ML+MN

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

4x+9=5x+7

5x-4x= 9-7

x=2

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

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