Pyśki!
Proszę ratujcie mam na jutro zadaną matmę pilnie!!
Oblicz:
2(x-3)-7=3(x+1)
15x-8=-2x+3
1/5 x - 2= 6 + 8/ 10 x
1/4 (2x + 4)= 1/2(8x + 1)
x + 3/3 = 6-3x
1/9 (2x+3)=1/3 (x -5)
4(3x-2)-8=-3(x+1)
x-2/ 5 = 2x-1/2
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1]
2(x-3)-7=3(x+1)
2x-6-7=3x+3
-x=3+13
-x=16
x=-16
2]
15x-8=-2x+3
17x=11
x=11/17
3]
1/5 x - 2= 6 + 8/ 10 x /*10
2x-20=60+8x
-6x=80
x=-13i 1/3
4]
1/4 (2x + 4)= 1/2(8x + 1) /*4
2x+4=2(8x+1)
2x+4=16x+2
-14x=-2
x=1/7
5]
x + 3/3 = 6-3x
x+1=6-3x
x+3x=6-1
4x=5
x=5/4
x=1i1/4
6]
1/9 (2x+3)=1/3 (x -5) /*9
2x+3=3(x-5)
2x+3=3x-15
-x=-18
x=18
7]
4(3x-2)-8=-3(x+1)
12x-8-8=-3x-3
15x=-3+16
15x=13
x=13/15
8]
x-2/ 5 = 2x-1/2 /*10
10x-4=20x-5
-10x=-1
x=1/10