Question

0.5(7d+4)=7-1.5d ecuaciones

Answer 1

Respuesta: d = 1

Explicación paso a paso:

0.5(7d + 4) = 7 - 1.5d

(7d + 4) / 2 = 7 - 1.5d

7d + 4 = 2 (7 - 1.5d)

7d + 4 = 14 - 3d

7d + 3d = 14 - 4

10d = 10

d = 10/10 = 1