" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) x= 1
solucion
8x-15x-30x-51x-53x-31x=-172
-172x=-172
x=-172/-172
x=1
b)a= -3
5a+6a-7a-65a=102+81
-61a=183
a= -183/61
a=-3
c) x=3
x-2x-1=8-3x-3
x-2x+3x=8+1-3
2x=6
x=6/2
x=3
d)x= 1
15x-10=6x-x-2-x+3
15x-6x+x+x=10+3-2
11x=11
x=11/11
x=1
XD