Qd Q3

P1 = 20 P1 = 30Q1 = 18 Q1 = 60 D= 200P2 = 10 P2 = 40Q2 = 22 Q2 = 80

Qd - Q1 = Q2 - Q1 ( P - P1 )P2 - P1

Qd - 18 = 4 ( P - 20 )-10

Qd - 18 = -0.4 P - -8

Qd = -0.4 P + 8 + 18

Qd = -0.4 P + 26 EC. INDIVIDUAL

QdM = -80 P + 5200 EC. DE MERCADO

O= 20

Qs - Q1 = Q2 - Q1 ( P - P1 )P2 - P1

Qs - 60 = 20 ( P - 30 )10

Qs - 60 = 2 P - 60

Qs = 2 P + -60 + 60

Qs = 2 P + 0 EC. INDIVIDUAL

QsM = 40 P + 0 EC. DE MERCADO

Qd = Qs

-80 P + 5200 = 40 P + 0

-120 P = -5200P = 43.333335

QsM = 40 * 43.333335 + 0QsM = 1733.3334 + 0QsM = 1733.33

QdM = -80 * 43.333335 + 5200QdM = -3466.6668 + 5200QdM = 1733.33