Rozwiąż równania.
2*(x - 7i1/2)=4
1/4 * (x+0,1)=1/4
0,3 * (2x + 5)=4i1/2
PILNE!!!!!!!!!!!!!
2x - 15 = 4
2x=4+15
2x=19 |:2
x=9i1/2
1/4x + 1/40 = 1/4
1/4x =1/4+1/40
1/4x=10/40+1/40
1/4x=11/40 |:1/4
x= 11/40 * 4/1
x=1i1/10
0,6x + 1,5=4i1/2
0,6x= 4i1/2 - 1i1/2
0,6x=3 |;0,6
x=5
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2*(x - 7i1/2)=4
2x - 15 = 4
2x=4+15
2x=19 |:2
x=9i1/2
1/4 * (x+0,1)=1/4
1/4x + 1/40 = 1/4
1/4x =1/4+1/40
1/4x=10/40+1/40
1/4x=11/40 |:1/4
x= 11/40 * 4/1
x=1i1/10
0,3 * (2x + 5)=4i1/2
0,6x + 1,5=4i1/2
0,6x= 4i1/2 - 1i1/2
0,6x=3 |;0,6
x=5