4x+5-x=-7
3x=-7-5
3x=-12
x=-12/3
x=-4
spr
L=4*(-4)+5-(-4)=16+5+4=-7
P=-7
L=P
3(x+2)+2x=4
3x+6+2x=4
5x=4-6
5x=-2
x=-2/5 (ułamek)
L=3(-2/5+10/5)+2*(-2/5)=3*8/5-4/5=24/5-4/5=20/5=4
P=4
-1(3x+1)+5x-2=1
-3x-1+5x-2=1
-3x+5x=1+1+2
2x=4
x=4/2
x=2
Spr
L=-1(3*2+1)+5*2-2=-7+10-2=1
P=1
x:(-2i1/4)=4,5
x=4,5*(-2,25)
x=-10,125
L=-10,125/(-2,25)=4,5
P=4,5
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4x+5-x=-7
3x=-7-5
3x=-12
x=-12/3
x=-4
spr
L=4*(-4)+5-(-4)=16+5+4=-7
P=-7
L=P
3(x+2)+2x=4
3x+6+2x=4
5x=4-6
5x=-2
x=-2/5 (ułamek)
spr
L=3(-2/5+10/5)+2*(-2/5)=3*8/5-4/5=24/5-4/5=20/5=4
P=4
L=P
-1(3x+1)+5x-2=1
-3x-1+5x-2=1
-3x+5x=1+1+2
2x=4
x=4/2
x=2
Spr
L=-1(3*2+1)+5*2-2=-7+10-2=1
P=1
L=P
x:(-2i1/4)=4,5
x=4,5*(-2,25)
x=-10,125
spr
L=-10,125/(-2,25)=4,5
P=4,5
L=P