Question

Resuelvan y verifiquen la ecuación : 49-4x+3= 15.2-2x

Answer 1

49 - 4x + 3 = 15 x 2 - 2x

52 - 4x = 30 - 2x

52 - 30 = -2x + 4x

22 = 2x

22/2 = x

11 = x

Comprobamos

49 - 4(11) + 3 = 15 x 2 - 2(11)

49 - 44 + 3 = 15 x 2 - 22

8 = 8

Comprobado.