1) X = (81 - 9) / 50X = 72 / 50X = 1.44
2) 2X + 356 = 9002X = 900 - 3562X = 544X = 544 / 2X = 272
3) X - 206 = 100 + 45X = 100 + 45 + 206X = 345 + 206X = 551
1) X = (81 - 9) / 50
X = 72 / 50
X = 1.44
2) 2X + 356 = 900
2X = 900 - 356
2X = 544
X = 544 / 2
X = 272
3) X - 206 = 100 + 45
X = 100 + 45 + 206
X = 345 + 206
X = 551