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5+x=24-x-19+2x
x+x-2x=24-19 równanie sprzeczne
0x=24-19
B)3x+x+(7+4x)=3(x-1)
3x+x+7+4x=3x-3
5x=-10/5
x=-2
C)2x+15=16(x+0,125x)
2x+15=16x+2x
2x-16x-2x=-15
-16x=-15/-16
x=15/16
D)-x/3-x/9=4+x/2
-6x/18 -2x/18 -9x/18=4
-18/18x=4 /-1
x=-4
E)3x-2=x+4
3x-x=4+2 /2
x=3
F)x+5=5x+2
-4x=-3/-4
x=3/4