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a) -7x+5=11x+41
b) 82x-9=18x+1
a)-7x-11x=41-5
-18x= 36/-18
x=-2
spr -7x(-2) +5=11x (-2) +41
14+5= -22+41
19=19
b)82x-18x=1+9
64x=10/64
x=10/64
x=5/32
82x5/32=18x5/32 +1
-7x-11x=-5+41
-18x=36 / :(-18)
sprawdzenie.:
-7*(-2)+5=11*(-2)+41
14+5=-22+41
82x-18x=9+1
64x=10 / :64
x= 10/64= 5/32
82*5/32-9=18*5/32+1
410/32-9=90/32+1
12 26/32-9=2 26/32+1
82*5/32-9=18*5/32=1
205/16-9=45/16=1
12 13/16-9=1 45/16
3 13/16=1 45/16
3 13/16=3 13/16
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a)-7x-11x=41-5
-18x= 36/-18
x=-2
spr -7x(-2) +5=11x (-2) +41
14+5= -22+41
19=19
b)82x-18x=1+9
64x=10/64
x=10/64
x=5/32
82x5/32=18x5/32 +1
a) -7x+5=11x+41
-7x-11x=-5+41
-18x=36 / :(-18)
x=-2
sprawdzenie.:
-7*(-2)+5=11*(-2)+41
14+5=-22+41
19=19
b) 82x-9=18x+1
82x-18x=9+1
64x=10 / :64
x= 10/64= 5/32
sprawdzenie.:
82*5/32-9=18*5/32+1
410/32-9=90/32+1
12 26/32-9=2 26/32+1
82*5/32-9=18*5/32=1
205/16-9=45/16=1
12 13/16-9=1 45/16
3 13/16=1 45/16
3 13/16=3 13/16