How many solutions does -6(x+7)=-4x-2

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?