Rozwiąż równiania.
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 4x-3=3x+5 /-3x
x-3=5 /+3
x=8
b 5x+2=7-3x /+3x
8x+2=7 /-2
8x=5 /:8
x=0.625 (5/8)
c 3(x-1)=0
3x-3=0 /+3
3x=3 /:3
x=1
d -6(x+1)=24
-6x-6=24 /+6
-6x=30
6x=-30 /:6
x=-5
e -7(x-2)=3x-1
-7x+14=3x-1 /+7x
14=10x-1 /+1
15=10x /:10
1.5=x
f 4(x-1)=6(1+x)
4x-4=6+6x /-4x
-4=6+2x /-6
-10=2x /:2
-5=x
a) 4x-3=3x+5
4x-3x=5+3
x=8
b)5x+2=7-3x
5x+3x=7-2
8x=6/:8
x=⁶₈=0,75
c)3(x-1)=0
3x-3=0
3x=3/:3
x=1
d)-6(x+1)=24
-6x-6=24
-6x=24+6
-6x=30/:(-6)
x=-5
e)-7(x-2)=3x-1
-7x+14=3x-1
-7x-3x=-1-14
-10x=-15/:(-10)
x=1,5
f)4(x-1)=6(1=x)
4x-4=6+6x
4x-6x=6+4
-2x+10/:(-2)
x=-5