Rozwiąż:
1) X/5 -1,5=15
2) 14=5x/6 - 1
3) 3x/4=6
4) 4x/9 - 5x/12=1
x/7,5=z5
x=1125
14*6+1=5x
85=5x
x=17
3x=24
x=8
4x-5x=1*9*12
-x=108
x=-108
1)x/5-1,5=15 /*5
x-7,5=75
x=75+7,5
x=82,5
2)14=5x/6-1 /*6
84=5x-6
5x=-6-84
5x=-90 /:5
x=-18
3)3x/4=6 /*4
3x=24 /:3
4)4x/9-5x/12=1 / *36
4*4x-3*5x=36
16x-15x=36
x=36
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1) X/5 -1,5=15
x/7,5=z5
x=1125
2) 14=5x/6 - 1
14*6+1=5x
85=5x
x=17
3) 3x/4=6
3x=24
x=8
4) 4x/9 - 5x/12=1
4x-5x=1*9*12
-x=108
x=-108
1)x/5-1,5=15 /*5
x-7,5=75
x=75+7,5
x=82,5
2)14=5x/6-1 /*6
84=5x-6
5x=-6-84
5x=-90 /:5
x=-18
3)3x/4=6 /*4
3x=24 /:3
x=8
4)4x/9-5x/12=1 / *36
4*4x-3*5x=36
16x-15x=36
x=36