Question

1. Determina el valor de x que satisface las siguientes ecuaciones:

a) x + 3 = 5

b) x - 4 = 2

c) 2x = 5

d) 2x - 7 = 3

e) -3x - 8 = -17

f) 4x - 4 = -2x + 8

g) 10x + 15 = -12 + x

h) 2(x + 3) = 5(x - 4) + 8

i) 3(2x - 5) - 9 = -4x + 6​

Answer 1

Respuesta:

a) x = 2
b) x = 6

c) x = 5/2

d) 2x = 7+3 => 2x = 10 => x = 5

e) -3x = -17 +8 => -3x = -9 => x = 3

f ) 4x + 2x =8 + 4 => 6x = 12 => x = 2

g) 10x - x = -12 -15 => 9x = -27 => x = -3

h) 2x +6 = 5x - 20 + 8 => 2x - 5x = -20 +8 -6 => -3x = -18 => x = 6

i) 6x - 15 - 9 = -4x +6 => 6x+4x = 6+15+9=> 10x = 30 => x = 3

Explicación paso a paso: