zadanie 72 i 73 w załączniku
dzięki :)
a) -5x+3=7x+8
-5x - 7x= 8-3
-12x = 5
b) 6(x+4)= -3(-2x-5)
6x+24=6x + 15
6x - 6x= 15-24
0=-9
c) 1/3(5x+2)-2(1/2x+1/3)=2/3x
72
a)=-5x+3-7x=8//-3
-12x=8-3
-12x=5//:(-12)
x=-5/12
73
b)x=6*(-3)/5
x=-18/5
x=-3,6
c)x=4*5/-12
x=5/-3
x=-1,6
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a) -5x+3=7x+8
-5x - 7x= 8-3
-12x = 5
b) 6(x+4)= -3(-2x-5)
6x+24=6x + 15
6x - 6x= 15-24
0=-9
c) 1/3(5x+2)-2(1/2x+1/3)=2/3x
72
a)=-5x+3-7x=8//-3
-12x=8-3
-12x=5//:(-12)
x=-5/12
73
b)x=6*(-3)/5
x=-18/5
x=-3,6
c)x=4*5/-12
x=5/-3
x=-1,6