1)20x-28-6x+30=240
20x – 6x = 240 – 30 + 28
14x = 238
x = 17
3)2x+2=7x-21
2x – 7x = – 21 – 2
-5x = -23
x = 4.6
1)20x-28-6x+30=240
20x – 6x = 240 – 30 + 28
14x = 238
x = 17
3)2x+2=7x-21
2x – 7x = – 21 – 2
-5x = -23
x = 4.6