ROZWIĄŻ RÓWNANIE :
-5+ x = 20 x = 15 <------------ przykład to jest.
ROZWIĄŻCIE PLIS NA DZISIAJ/ JUTRO :)
b) 64+2x= 44 + x
c) x-34 = - 35
d) 3-x= 2x
e) 4x = 3x - 5
f) 4+ 3x= 2+2x
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b) 64+2x= 44 + x
2x - x = 44 - 64
x = -20
c) x-34 = - 35
x = -35 + 34
x = -1
d) 3-x= 2x
-x - 2x = -3
-3x = -3 /:(-3)
x = 1
e) 4x = 3x - 5
4x - 3x = -5
x = -5
f) 4 + 3x= 2 + 2x
3x - 2x = 2 - 4
x = -2
b) 64+2x= 44 + x po uproszczeniu:
2x+64=x+44 /-x+44
2x-x-44+64=0
x+20=0 /-20
x= -20
c) x-34 = - 35 /+35
x-34+35=0
x+1=0 /-1
x= -1
d) 3-x= 2x /-2x
3-x-2x=0
3-3x=0 /-3
-3x= -3 /: -3
x= -3/(-3)
x=1
e) 4x = 3x - 5 /-3x-5
4x-3x+5=0
x+5=0 /-5
x= -5
f) 4+ 3x= 2+2x po uproszczeniu:
3x+4=2x+2 /-2x+2
3x-2x-2+4=0
x+2=0 /-2
x= -2