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1x-2/3=2
1x=2+2/3
x=2 2/3
b)5(x/5-3)=315
x-15=315
x=315+15
x=330
c)x+3
--------=x-3
2*8
x+3
----=x-3/*16
16
16(x+3)=16x-48
16x+48=16x-48
16x-16x=-48-48
0=-96
d
x-2/3=2 /*3
3x-2=6
3x=8/:3
x=2 całe 2/3
b)5(x/5-3)=315
x-15=315
x-330
c)x+3 x+3 x+3
---------= ---------=--------= 1
2*8=x-3 x-3=16 x=19
d) 4(2x-3/4)=53
8x-3=53
8x=56/:8
x=7
e)2(x+7)=3(2x-5)
2x+14=6x-15
-4x=-29
x=7,25
f) 3(x-5)+7=x+1
3x-14+7=x+1
3x-7=x+1
2x=8
x=4
x-2/3=2
x=2⅔
b) 5(x/5 - 3) = 315
x-15=315
x=330
c) x + 3/2 * 8 = x - 3
(x+3)*16=2x-6
16x+48=2x-6
14x=-54
x=-54/14
d) 4(2x -¾) = 53
8x-3=53
8x=56
x=7
e) 2(x + 7) = 3(2x - 5)
2x+14=6x-15
-4x=-29
x=29/4
f) 3(x - 5) + 7 = x + 1
3x-15+7=x+1
3x-8=x+1
2x=9
x=4,5