Rozwiąż równanie: (Matematyka 1 z plusem)
a) 2(x+3)=10
b) 3(x-1)+2=8
c) 2(13-x)-9=1
d) 3(1-x)+2=-7
e) 3(x+3)=2(x+4)+x+1
f) 4(3x+2)+5(2x+3)=-(2x+13)
g) 4(x-2)-2(x-4)=5(x+1)-3x
h) 2(x-4)=2(2x-1)+6(x+1)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 2(x+3)=10
2x+6=10
2x=4
x=2
b) 3(x-1)+2=8
3x-3+2=8
3x=9
x=3
c) 2(13-x)-9=1
26-2x-9=1
-2x=-16
x=8
d) 3(1-x)+2=-7
3-3x+2=-7
-3x=-12
x=4
e) 3(x+3)=2(x+4)+x+1
3x+9=2x+8+x+1
0x=0
f) 4(3x+2)+5(2x+3)=-(2x+13)
12x+8+10x+15=-2x-13
24x=-36
x=-1,5
g) 4(x-2)-2(x-4)=5(x+1)-3x
4x-8-2x+8=5x+5-3x
0x=5
h) 2(x-4)=2(2x-1)+6(x+1)
2x-8=4x-2+6x+6
-8x=12
x=-1,5
a)2(x+3)=10
2x+6=10
2x=10-6
2x=4/:2
x=2
b)3(x-1)+2=8
3x-3+2=8
3x=8+3-2
3x=9
3x=9/:3
x=3
c)2(13-x)-9=1
26-2x-9=1
-2x=1-26+9
-2x=-16/:-2
x=8
d)3(1-x)+2=-7
3-3x+2=-7
-3x=-7-2-3
-3x=-12/:-3
x=4
e)3(x+3)=2(x+4)+x+1
3x+9=2x+8+x+1
3x-3x=9-9
0=0
f)4(3x+2)+5(2x+3)=-(2x+13)
12x+8+10x+15=-2x-13
22x+2x=-13-15-8
24x=-36/24
x=-1i1/3
g)4(x-2)-2(x-4)=5(x+1)-3x
4x-8-2x+8=5x+5-3x
2x-5x+3x=5
h)2(x-4)=2(2x-1)+6(x+1)
2x-8=4x-2+6x+6
2x-4x-6x=6-2+8
-8x=12/-8
x=-1,5