1) x+0,24=20+0,99x
x-0.99x=20-0.24
0.01x=19.76
x=19.76/0.01=1976
2) 3y-2(169,9+y)=150-(y+339,8)
3y-339.8-2y=150-y-339.8
3y-2y+y=150-339.8+339.8
2y=150
y=150/2=75
3) 50z+(z+6,2)=200
50z+z=200-6.2
51z=193.8
z=193.8/51=3.8
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1) x-0,99x=20-0,24;
0,01x=19,76
x=1976
2) 3y-2(169,9+y)=150-(y+339,8)
3y- 339,8-2y=150-y-339,8
3y-2y+y=150-339,8+339,8
2y=150
y=75
3) 50z+(z+6,2)=200
50z+z+6,2=200
51z=200-6,2
51z=193,8
z=3,8