Rozwiąż równania.
a) x/3+1=5/6+x/2
b) 2x-1/5-x-2/2=0,7x
a) x/3+1 = 5/6+x/2 /*6 (obustronnie *6)
2x+6 = 5+3x
2x-3x = 5-6
-x = -1
x = 1
b) 2x-1/5-x-2/2 = 7/10x /*10 (obustronnie *10)
20x-2-10x-10 = 7x
20x-10x-7x = 10+2
3x =12
x = 4
a)x/3+1=5/6+x/2 |*6
2x+6=5+3x
2x-3x=5-6
-x=-1 |:(-1)
x=1
b)2x-1/5-x-2/2=0,7x
2x-x-0,7x=1/5+1
0,3x=1 1/5 |:0,3
x=1,2:0,3
x=4
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a) x/3+1 = 5/6+x/2 /*6 (obustronnie *6)
2x+6 = 5+3x
2x-3x = 5-6
-x = -1
x = 1
b) 2x-1/5-x-2/2 = 7/10x /*10 (obustronnie *10)
20x-2-10x-10 = 7x
20x-10x-7x = 10+2
3x =12
x = 4
a)x/3+1=5/6+x/2 |*6
2x+6=5+3x
2x-3x=5-6
-x=-1 |:(-1)
x=1
b)2x-1/5-x-2/2=0,7x
2x-x-0,7x=1/5+1
0,3x=1 1/5 |:0,3
x=1,2:0,3
x=4