" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3x-6-8x+5= -3x-6
-5x-6= -3x+6
-5x+3x=6+6
-2x = 12 | : (-2)
x = -6
2) 2x-2(3x+1)=6
2x-6x-2=6
-4x=6+2
-4x=8 | :(-4)
x=-2
3) (x-6)-4(2x-5)=7
x-6-8x+20=7
-9x=7+6-20
-9x=-13 |:-9
x= 13/9
x= 1 4/9
4) 3a+4=a-1+a+7
3a-a-a = -1+7-4
a=2
5) x-3= 2(x-8) -5
x-3=2x-16-5
x-2x=-16-5+3
-x=-18 | x (-1)
x=18
6) 3(x-4) +4 (x+2) = -3(x+7)
3x-12+4x+8=-3x-21
3x+4x+3x=-21+12-8
10x=17 | :10
x= 1,7
7) 5x-6x+8x-7+4-3 = 8x+2
5x-6x+8x-8x=2+7-4+3
-x=8 | x (-1)
x= -8
8)-5x -6x+8x-5-4-4 = 5+3x+3x-2x
-5x-6x+8x-3x-3x+2x=5+5+4+4
-7x=19 | : (-7)
x= - 19/7
x= -2 5/7
Mam nadzieję, że pomogłam ; )