Rozwiąż równania:
a)-7x+24=3x-7
b)15+4x-7=2x+5
c)7x+5-4x=13+7x
d)12-7x+14=2x+5+12x-7
a)
-7x-3x=-7-24
-10x=-31
x=3,1
b)
4x-2x=5-15+7
2x=-3
x=-1,5
c)
7x-7x-4x=13-5
-4x=8
x=-2
d)
-7x-2x-12x=5-7-12-14
-21x=-28
x=1 1/3
a) -7x+24=3x-7
-10x=-30:/ -10
x= 3
4x-2x=5-15
2x=-10:/-2
x= -5
7x-4x-7x=13-5
-4x=8/:-4
x= -2
-21x=-28:/-21
x=1,3
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a)
-7x-3x=-7-24
-10x=-31
x=3,1
b)
4x-2x=5-15+7
2x=-3
x=-1,5
c)
7x-7x-4x=13-5
-4x=8
x=-2
d)
-7x-2x-12x=5-7-12-14
-21x=-28
x=1 1/3
a) -7x+24=3x-7
-7x-3x=-7-24
-10x=-30:/ -10
x= 3
b)15+4x-7=2x+5
4x-2x=5-15
2x=-10:/-2
x= -5
c)7x+5-4x=13+7x
7x-4x-7x=13-5
-4x=8/:-4
x= -2
d)12-7x+14=2x+5+12x-7
-7x-2x-12x=5-7-12-14
-21x=-28:/-21
x=1,3