" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x-4=-6 x
4x+6x=4
10x=4/÷10
x=0,4
b) 2x-12x+9=2-2x- 1
2x-12x+2x=2-1-9
-8x=-8/÷(-8)
x=1
d) obie strony mnożymy przez 8
2 (x+2)=x
2x +4=x
2x-×=-4
x=-4