zad w załonczniku prosze o pomoc
a)
{x-3=0
{2x+y=4
x=3
2*3+y=4
6+y=4
y=-2
b)
{2x=2
{x+y=2
x=1
1+y=2
y=1
c)
{x+1=3
{y-x=-1
x=2
y-2=-1
d)
{x-2=-1
(2x=y
2*1=y
y=2
e)
{y-x=5
{1/2y=4
y=8
8-x=5
f)
{1/2x+1/3y=3
{1/2y+1=4
y=6
1/2x+2=3
g)
{3x+2y=8
{3/4y=3
y=4
3x+8=8
3x=0
x=0
h)
{x-2y=-10
{1/2y-2=3
y=10
x-2*10=-10
x=10
i)
{2x-y=2
{y-1/2=5 1/2
2x-6=2
x=4
j)
{x+2y=3
{y+ pierwiastek z 2 = pierwiastek z 2.
y=0
Mam nadzieje , że pomogłam : )
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a)
{x-3=0
{2x+y=4
x=3
2*3+y=4
6+y=4
y=-2
b)
{2x=2
{x+y=2
x=1
1+y=2
y=1
c)
{x+1=3
{y-x=-1
x=2
y-2=-1
y=1
d)
{x-2=-1
(2x=y
x=1
2*1=y
y=2
e)
{y-x=5
{1/2y=4
{y-x=5
y=8
8-x=5
x=3
f)
{1/2x+1/3y=3
{1/2y+1=4
y=6
1/2x+2=3
x=2
g)
{3x+2y=8
{3/4y=3
y=4
3x+8=8
3x=0
x=0
h)
{x-2y=-10
{1/2y-2=3
y=10
x-2*10=-10
x=10
i)
{2x-y=2
{y-1/2=5 1/2
y=6
2x-6=2
x=4
j)
{x+2y=3
{y+ pierwiastek z 2 = pierwiastek z 2.
y=0
x=3
Mam nadzieje , że pomogłam : )