" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
13x+2x+2=10
15x=8
x=8/15
En la otra ecuación creó te equivocaste, supongo es así...
b) 7(x-1)+8=5(7-x)-12
7x-7+8=35-35x-12
7x+35x=35+7-12-8
42x=22
x=22/ 42...simplifica
x= 11/21
13x + 2(x + 1) = 10
13x + 2x + 2 = 10
15x = 10 - 2
15x = 8
x = 8/15
..........................................................
7(x - 1) + 8 = 5(7 - x) = 12
7x -7 + 8 = 35 - 5x = 12
7x + 1 = 35 - 5x = 12
7x + 5x = 35 - 1 - 12
12x = 34 - 12
12x = 22
x = 22:2/12:2
x = 11/6