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x = 3
i)7x+7=35
7x = 28
x = 4
h)-7b=7/8
b = -49/8
g)1/7x+-2 chyba źle przepisane...
1/7x - 2 = 0 - zrobie takie
1/7x = 2
x = 14
f)5y=13
y = 13/5
e)3-x=-2x
x = -3
d)3x=2x+1/7
x = 1/7
c)x-34=-35
x = -1
b)1/2+y+2/3/4
1/2 + y + 2*4/2 =0
y = -1/2 - 4
y = -4,5
a)x+75=57
x = -18
x=3
i)7x+7=35
7x=28
x =4
h)-7b=7/8
b= -1/8
g)1/7x=2
x = 14
f)5y=13
y= 13/5= 2,6
e)3-x=-2x
x=-3
d)3x=2x+1/7
x=1/7
c)x-34=-35
x=-1
b)1/2+y+2=3/4
y =-1,75
a)x+75=57
x=-18
-x + 2x=5-2
x=3
i)7x+7=35
7x=35-7
7x=28
x=4
h)-7b=7/8
b= - 1/8
g)1/7x+-2
1/7x=2
x=14
f)5y=13
y=13/5
y=2 ⅗
e)3-x=-2x
-x + 2x= -3
x= -3
d)3x=2x+1/7
x= 1/7
c)x-34=-35
x= - 1
a)x+75=57
x=57-75
x= - 18