5x2 would be 10 and 10-50x would be negative 40x and 40x + 125 would be 165x
6x-1=4x+6
subtracting 4x from each side
2x-1=6
adding 1 to each side
2x=7
divide by 2
x=7/2 or 3.5
check: 6(7/2) -1 =4(7/2)+6
21-1 =14+6
20=20 correct
0.25 is 1/4 if that's what youre asking, i'm not sure,
