Com es resol 5a + 12 = 6-3a?

Resposta:

#a = - (3/4) #

Explicació:

# 5a + 12 = 6 - 3a #

# 5a + 3a = -12 + 6 # Reordenar termes com junts.

# 8a = -6 #

#a = - (6/8) = - (3/4) #

Resposta:

# a = -6 / 8 = -3 / 4 #

Explicació:

# 5a + 12 = 6-3a #

# 8a = -6 #

# a = -6 / 8 = -3 / 4 #