Question

(3x+4) (5) +5x -2 = 23+ 19x

Answer 1

Respuesta:

(3x+4) (5) +5x -2 = 23+ 19x

15x + 20 + 5x -2 = 23 + 19x

20x + 18 = 23 + 19x

20x -19x = 23 -18

x = 5

Comprobación:

(3(5)+4) (5) +5(5) -2 = 23+ 19(5)

(15 + 4)(5) + 25 -2 = 23 + 95

95 + 23 = 118

188 = 188