2 units
it has just moved, not changed lengths
1 minute has 60 seconds. So, we'll multiply the numerator and the denominator by 60.
176 feet/1 second = 10,560 feet/1 minute
The solution of a system of equations is the point at which the two lines intersect. Since y is already isolated, we can set the equations equal to each other by doing:
4x=4x+1
Subtract 4x from both sides
0=1
Since 0 cannot equal 1 in any case, the lines never intersect. There is no solution to the problem.
