5*(15-x)-7=28
75 – 5x – 7 = 28
– 5x = 28 + 7 – 75
-5x = -40
x = 8
5*(15-x)-7=28 75 – 5x – 7 = 28 – 5x = 28 + 7 – 75 -5x = -40 x = 8
5*(15-x)-7=28
75 – 5x – 7 = 28
– 5x = 28 + 7 – 75
-5x = -40
x = 8
5*(15-x)-7=28 75 – 5x – 7 = 28 – 5x = 28 + 7 – 75 -5x = -40 x = 8