Ejercicios de Algebra Ecuaciones Algebraicas
Ejercicio No. 4.1.5
x=-1
Ejercicio No. 4.1.4 +2x = x(x–2)+4 +6x+9+2x=-2x+4 +8x+9=-2x+4
Ejercicio No. 4.1.3 3(x + 2) – 5 = 2(x – 1) + 4 3x + 6 - 5 = 2x - 2 + 4 3x + 1 = 2x + 2 3x - 2x = 2 - 1 x = 1
Ejercicio No. 4.1.2 2x + 4 = 5(x + 3) – x 2x + 4 = 5x + 15 - x 2x + 4 = 4x + 15 2x – 4x = 15 – 4 -2x = 11 x = x = -
Ejercicio No. 4.1.1 5x - 2 = 3x + 6 5x - 3x = 6 + 2 2x = 8 x = x = 4
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