1) X = (81 - 9) / 5X = 72 / 5X = 1.44
2) 2X + 356 = 902X = 900 - 352X = 54X = 544 / X = 272
3) X - 206 = 100 + 4X = 100 + 45 + 20X = 345 + 20X = 551
1) X = (81 - 9) / 5
X = 72 / 5
X = 1.44
2) 2X + 356 = 90
2X = 900 - 35
2X = 54
X = 544 /
X = 272
3) X - 206 = 100 + 4
X = 100 + 45 + 20
X = 345 + 20
X = 551