Solve the system of equations. y=2x-4 and 3y=2x

Plug in for y the first equation, to get 3(2x-4)=2x, 6x-12=2x, subtract 2x from both sides and get 4x-12=0, add 12 to both sides to get 4x=12, divide both sides by 4 to get x=3 and plug that into the first equation to get y=2(3)-4, y=6-4=2 so x=3 and y=2

Step-by-step explanation:

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step-by-step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles