1) 90 + 18x +12x = 90 + 30x = 30(3 + x) 2) 22y +88 - 19y = 37+ 88 3) 32x +256 -91= 32x + 165 4) 100 - 25y - 76 = -25y + 24 5) 46x - 138 +14x = 60x - 138