Question

Cuanto es:
d) 2 × (x - 1) = 3x - 4
e) 2 × (x + 9) + 4x = - 3

Answer 1

Respuesta:

d. 2x-2=3x-4

2x-3x=-4+2

-1x = -2

x = 1/-2

x = -0.5

e. 2x+18+4x=-3

2x+4x=-3-18

6x = -21

x = -21/-6

x = 3.5