1.Rozwiąż równaniea) 6x-(x+1)=6b) 2(x-1)-3(x-2) = 7c) 3(x+2)+2(2x-3)=x-12d) x+4-5(x-8) = x-6
a. 6x-x - 1=6
5x = 6+1
5x=7/:5
x= 5/7 ( ułamek)
b. 2x - 2 - 3x + 6 = 7
-x = 7-6+2
-x= 3/(-1)
x= -3
c. 3x + 6 + 4x - 6 = x-12
3x+4x - x = -12+6-6
6x = -12/:6
x= -2
d. x+4-5x+40= x-6
x-5x-x = -6 - 40 - 4
-5x = -50 /: (-5)
x = 10
myślę że pomogłam. ;))
6x-x+1=6
5x=5
x=1
b 2x-2+4x-6=12
6x=12+2+6
6x=20
x= 20/6
c 3x+6+4x-6=x-12
6x=-12-6+6
6x=12
x=2
d x+4-5x+40=x-6
-3x=-6-4-40
-3x=50
x= -47
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a. 6x-x - 1=6
5x = 6+1
5x=7/:5
x= 5/7 ( ułamek)
b. 2x - 2 - 3x + 6 = 7
-x = 7-6+2
-x= 3/(-1)
x= -3
c. 3x + 6 + 4x - 6 = x-12
3x+4x - x = -12+6-6
6x = -12/:6
x= -2
d. x+4-5x+40= x-6
x-5x-x = -6 - 40 - 4
-5x = -50 /: (-5)
x = 10
myślę że pomogłam. ;))
6x-x+1=6
5x=5
x=1
b 2x-2+4x-6=12
6x=12+2+6
6x=20
x= 20/6
c 3x+6+4x-6=x-12
6x=-12-6+6
6x=12
x=2
d x+4-5x+40=x-6
-3x=-6-4-40
-3x=50
x= -47