Rozwiąż równania .
a) 4x - 3 = 3x + 5
b) 5x + 2 = 7 - 3x
c) 3( x - 1 ) = 0
d) -6( x + 1 ) = 24
e) -7( x-2 ) = 3x-1
f) 4( x-1 ) = 6( 1 + x )
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a) x = 2
b) 5x - 3x = 7 - 2
2x = 5 |:2
x = 2,5
c) 3x - 3 = 0
3x = 3 |:3
x= 1
d) -6x - 6 = 24
-6x = 18 |:(-6)
x = 3
e) -7x + 14 = 3x - 1
4x = 13
x = 3,25
f) 4x - 4 = 6 + 6x
2x = 2 |:2
x = 1
a) 4x-3x=5-3
x=2:1
x=2
b)5x+3x=7-2
8x=5:8
x=5/8 (ułamek)
c)3x-3=0
3x=0+3
3x=3:3
x=1
d)-6x-6=24
-6x=24+6
-6x=30:(-6)
x=-5
e)-7x+14=3x-1
-7x-3x=-1-14
-10x=-15:(-10)
x=3/2(ułamek)
f)4x-4=6+6x
4x-6x=6+4
-2x=10:(-2)
x=-5