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
Answer:
There is no solution.
Step-by-step explanation:
Multiply both sides by x, so x=a+b
Answer:
y=22h+18, where h is the working hour, y is the charge
Step-by-step explanation: