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Rozwiąz Równania
a)2x-4 = 2x+8/3
b) -3(a-2)-7=-4 (3-a)+1
c)y+1/2= 0,5y - y+1/3
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A.2x-4=2x+2 2/3
2x-2x=4+2 2/3
0=6 2/3
B.-3a+6-7=-12+4a+1
-3a-1=-11+4a
11-1=3a+4a
7a=10
a=7/10
C.y+1/2=-0,5y+1/3
y+0,5y=-1/2+1/3
1,5y=-1/6
y=1/9
a)2x-4 = 2x+8/3 | *3
6x-12=2x+8
6x-2x=8+12
4x=20 |:4
x=5
b) -3(a-2)-7= -4 (3-a)+1
-3a+6-7= -12+4a+1
-3a-4a=-11+1
-7a=-10 |:(-7)
a= 10/7
c)y+1/2= 0,5y - y+1/3 |*6
3(y+1) = 2(0,5y-y+1)
3y+3= y-2y+2
3y+y=2-3
4y=-1 |:4
y=- 1/4