Jak rozwiązać zadanie z równań? a. x/4-1/4=2 //*4
x-1=8
x=8+1=9
b. x/5-3=x+1/5 //*5
x-15=5x+4
-4x=20//:(-4)
x=-5
c. 5/6(x-1)=4//*6
5x-5=24
5x=29//:5
x=29/5=5 i 4/5
d. - 1/2 (-x-6)=-x//*2
x+6=-2x
3x=-6//:3
x=-2
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Jak rozwiązać zadanie z równań?
a. x/4-1/4=2 //*4
x-1=8
x=8+1=9
b. x/5-3=x+1/5 //*5
x-15=5x+4
-4x=20//:(-4)
x=-5
c. 5/6(x-1)=4//*6
5x-5=24
5x=29//:5
x=29/5=5 i 4/5
d. - 1/2 (-x-6)=-x//*2
x+6=-2x
3x=-6//:3
x=-2
x/4=2 1/4 / ×4
x=9
b. x/5-3=x+1/5 / +3
x/5 = x+3 + 1/5 / ×5
x=5x+15+1 / -5x
-4x=16 / ÷(-4)
x=-4
c. 5/6(x-1)=4
5/6x-5/6=4 /+5/6
5/6x=4+5/6 / ×6
5x=29 / ÷5
x=5,8
d. - 1/2 (-x-6)=-x
1/2x+3=-x / -1/2x
3=-3/2x / ×2
-3x=6 / ÷ (-3)
x=-2