What is the value of x in the equation 3x-4y=65, when y=4? O x=134
O x=21 1 / 3
O x=23
O x=27

27

Step-by-step explanation:

3x-4y=65

3x-4(4)=65

3x-16=65

3x=65+16

3x=81

x=81/3

x=27

answer: can you me with homework?

step-by-step explanation:

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.