" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a(b + c) =ab + ac.
Calculamos :
9x + 94 = 7(2 + 3x)
9x + 94 = 14 + 21x
9x - 21x = 14 - 94
- 12x = - 80
12x = - 80 (-)
12x = 80
x = 80:4/12:4
x = 20/3
9x + 94 = 14 + 21x
9x - 21x = 14 - 94
- 12x = - 80
x = -80/-12---simplificamos la cuarta
x = 20/3