proszę pomocy kl.6
a) 2x+5=4x
b)3x-1:2=17
c)-3x+8=34
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a) 2x+5=4x /-2x
5= 6x
6x=5/ ; 6
x=5/6
3x- 05=17/+0,5
3x = 17,5 /;3
x =175/30
x = 5 25/30
c)-3x+8=34/-8
-3x= 26 /:(-3)
x = - 26/3
x = 8 2/3
a) 2x + 5 = 4x |-4x
-2x = -5 | : (-2)
x = 2,5
b) Mniewam że 1:2 to , jeśli tak to = 0,5
3x - 0,5 = 17 | +0,5
3x = 17,5 | : 3
x = 8,3
c) -3x +8 = 34 | -8
-3x = 26 | : (-3x)
x = 8,6
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a) 2x+5=4x /-2x
5= 6x
6x=5/ ; 6
x=5/6
b)3x-1:2=17
3x- 05=17/+0,5
3x = 17,5 /;3
x =175/30
x = 5 25/30
c)-3x+8=34/-8
-3x= 26 /:(-3)
x = - 26/3
x = 8 2/3
a) 2x + 5 = 4x |-4x
-2x = -5 | : (-2)
x = 2,5
b) Mniewam że 1:2 to , jeśli tak to = 0,5
3x - 0,5 = 17 | +0,5
3x = 17,5 | : 3
x = 8,3
c) -3x +8 = 34 | -8
-3x = 26 | : (-3x)
x = 8,6