rozwiaz równania:
1.) x+88%x=47
2.) jedna drugax+10%x+20%x+6=x
prosze o roziazanie plista bo to na jutro na matme
1.
x+88%x=47
x+88/100x=47/*100
100x+88x=4700
188x=4700/:188
x=25
2.
50%x+10%x+20%x+6=x
80%x-x=-6
-20%x=-6
-1/5x=-6/*(-5)
x=30
x+ 0,88x=47
1,88x=47
x= 25
0,5 x+ 0,1x+0,2x+6=x
0,8x+6=x
0,8x-x=-6
-0,2x=-6
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1.
x+88%x=47
x+88/100x=47/*100
100x+88x=4700
188x=4700/:188
x=25
2.
50%x+10%x+20%x+6=x
80%x-x=-6
-20%x=-6
-1/5x=-6/*(-5)
x=30
1.) x+88%x=47
x+ 0,88x=47
1,88x=47
x= 25
2.) jedna drugax+10%x+20%x+6=x
0,5 x+ 0,1x+0,2x+6=x
0,8x+6=x
0,8x-x=-6
-0,2x=-6
x=30