Question

hallar el valor entero de x, si existe:
a) -12-4x igual 20
b)8(-x) igual 234
c) x al cuadrado igual x + 6
d) 2x - 34 igual 20 al cuadrado -(-10)a la 3

Answer 1

-12-4x = 20
-4x = 32
x = -8

-8x = 234
x = -29,25

x² = x + 6
x² - x - 6 = 0
(x-3)(x+2) = 0
x = 3 ó x = -2

2x - 34 = 20² - (-10)³
2x - 34 = 400 - (-1000)
2x - 34 = 1400
2x = 1434
x = 717