1)15x - 135 + 18x = 45 + 90 - 18x + 15x2) 2(x + 3) = 5(x - 1)3) 2(2 - 5) = 5(x + 3)4) (x + 2) - (3x + 2) = 5(x + 4) + 15) 5(1 - x) + 4(x - 3) = (x - 1) - (1 - x)6) 2[(3x + 1) - 2(x + 4)] - (3x + 5) = ?
1)15x - 135 + 18x = 45 + 90 - 18x + 15x 2) 2(x + 3) = 5(x - 1) 3) 2(2 - 5) = 5(x + 3) 4) (x + 2) - (3x + 2) = 5(x + 4) + 1 5) 5(1 - x) + 4(x - 3) = (x - 1) - (1 - x) 6) 2[(3x + 1) - 2(x + 4)] - (3x + 5) = 0 7) 3 - [5x + 2(x - 1) + 4] = 5 - [2(x - 3) - 3(x - 2)] 8) 2x - [14x - 2(x - 3) - (2x + 3)] = 16x + 9 9) - [2(3x - 3) - (1 - x)] = [5(3 - 2x) - (1 + x)] 10) (x + 2)(x - 5) = (x - 1)(x - 6) 11) (x - 8)(x + 1) = (x + 5)(x - 3) 12) (x + 1)(6x - 2) = (2x + 4)(3x + 2) 13) 2(x - 2)(x + 3) - (2x + 4)(x - 2) = 0 14)(6x + 10)(6x - 10) = 15 + (3x - 5)(12x + 5) 15) (2x + 3)(2x - 3) + 7 = 4(x + 2)(x - 2) + 2x 16) (x - 2)2 - (3 - x)2 = 1 17) a(x + 1) + 5a(x - 1) = 2(3b - 2a) 18) x(a + 1) - x(a - 1) = 2a + 4 19) a(x + 2) + 5a(x - 2) = 2(3 - 4a) SON ECUACIONES.