Rozwiąż równanie.a)8(x-1)+2 = 2(x+4)+16
b)-x=2(x-1)+3(x-2)+4(x-3)
c)
x+2 = (x-14)+9
d)
0,2(4x-15)+6 = 0,5x+6
a)8(x-1)+2 = 2(x+4)+16
8x-8+2=2x+8+16
8x-2x=8+16-2+8
6x=30:6
x=5
-x=2x-2+3x-6+4x-12
-x-2x-3x-4x=-12-6-2
-10x=-20:(-10)
x=2
c) x+2 = (x-14)+9
1/7x+2=6/7x-12+9
1/7x-6/7x=9-12-2
-5/7x=-5:(-5/7)
x=7
d)0,2(4x-15)+6 = 0,5x+6
0,8x-3+6=0,5x+6
0,8x-0,5x=6-6+3
0,3x=3:0,3
x=10
Mam nadzieję że pomogłam
Proszę o naj:)
a)
8(x-1)+2 = 2(x+4)+16
8x- 8 +2 = 2x + 8 +16
6x - 6= 8 + 16
6x = 8 + 16 +6
6x = 30 /6
b) -x = 2(x-1) + 3(x-2) + 4(x-3)
-x = 2x-2 + 3x -6 + 4x - 12
-10x = -20 /(-10)
x= 2
x+2 = x-12+9
- 5/7 x = - 5 / (-5/7)
x = 7
0,8x - 3 + 6 = 0,5x + 6
0,3x = 3 /0,3
x = 10
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)8(x-1)+2 = 2(x+4)+16
8x-8+2=2x+8+16
8x-2x=8+16-2+8
6x=30:6
x=5
b)-x=2(x-1)+3(x-2)+4(x-3)
-x=2x-2+3x-6+4x-12
-x-2x-3x-4x=-12-6-2
-10x=-20:(-10)
x=2
c) x+2 = (x-14)+9
1/7x+2=6/7x-12+9
1/7x-6/7x=9-12-2
-5/7x=-5:(-5/7)
x=7
d)0,2(4x-15)+6 = 0,5x+6
0,8x-3+6=0,5x+6
0,8x-0,5x=6-6+3
0,3x=3:0,3
x=10
Mam nadzieję że pomogłam
Proszę o naj:)
a)
8(x-1)+2 = 2(x+4)+16
8x- 8 +2 = 2x + 8 +16
6x - 6= 8 + 16
6x = 8 + 16 +6
6x = 30 /6
x=5
b) -x = 2(x-1) + 3(x-2) + 4(x-3)
-x = 2x-2 + 3x -6 + 4x - 12
-10x = -20 /(-10)
x= 2
c)
x+2 = (x-14)+9
x+2 = x-12+9
- 5/7 x = - 5 / (-5/7)
x = 7
d)0,2(4x-15)+6 = 0,5x+6
0,8x - 3 + 6 = 0,5x + 6
0,3x = 3 /0,3
x = 10