18(5 + x) + 12x = 90 + 18x + 12x = 30x + 90;
22(y + 4) - 19y = 22y + 88 - 19y = 3y + 88;
32(x + 8) - 91 = 32x + 256 - 91 = 32x + 165;
25(4 - y) - 76 = 100 - 25y - 76 = -25y + 24;
46(x - 3) + 14x = 46x - 138 + 14x = 60x - 138.
18(5 + x) + 12x = 90 + 18x + 12x = 30x + 90;
22(y + 4) - 19y = 22y + 88 - 19y = 3y + 88;
32(x + 8) - 91 = 32x + 256 - 91 = 32x + 165;
25(4 - y) - 76 = 100 - 25y - 76 = -25y + 24;
46(x - 3) + 14x = 46x - 138 + 14x = 60x - 138.