Odpowiedź:
Szczegółowe wyjaśnienie:
u=2k-kr
u=k(2-r)/:(2-r)
k=u/2-r
3a=2ab-1
3a-2ab= -1
a(3-2b)= -1/:(3-2b)
a= -1/3+1/2b
p-2q=pq+5
-2q-pq=5-p
q(-2-p)=5-p/:(-2-p)
q=(5-p)/(-2-p)
p=r/ r-1 /*(r-1) r≠1
p(r-1)=r
pr-p=r /+p
pr=r+p /-r
pr-r=p
r(p-1)=p/:p-1
r=p
u=pr/p+r p+r≠0
u=pr/p+pr/r
u=r+p/ -p
r=u-p
1/m=k/(p+k) (p+k)≠0
1/m=k/p+k/k
1/m=k/p /*1/p
k=1/mp
f=3t/(a-2t) -1 /+1
f+1=3t/a -3t/2t
f+1=3t/a -3/2 /+3/2
f+1+3/2=3t/a /*1/a
3t=(f+2 1/2)/a/:3
t=(f+2 1/2)/3a
p=5 -m/n+1 /*n+1 n≠-1
p(n+1)=5 -m/:p
n+1=5 -m / -1
n=5-1-m
n=4-m
x=2xy-3/2y+2 -2 /+2
x+2=2xy-3/2y+2 /*2y+2
(x+2)(2y+2)=2xy-3
2xy+2x+4y+4=2xy-3
2x+4y= -7 /-2x
4y=7-2x/:4
y=(7-2x)/4
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Verified answer
Odpowiedź:
Szczegółowe wyjaśnienie:
u=2k-kr
u=k(2-r)/:(2-r)
k=u/2-r
3a=2ab-1
3a-2ab= -1
a(3-2b)= -1/:(3-2b)
a= -1/3+1/2b
p-2q=pq+5
-2q-pq=5-p
q(-2-p)=5-p/:(-2-p)
q=(5-p)/(-2-p)
p=r/ r-1 /*(r-1) r≠1
p(r-1)=r
pr-p=r /+p
pr=r+p /-r
pr-r=p
r(p-1)=p/:p-1
r=p
u=pr/p+r p+r≠0
u=pr/p+pr/r
u=r+p/ -p
r=u-p
1/m=k/(p+k) (p+k)≠0
1/m=k/p+k/k
1/m=k/p /*1/p
k=1/mp
f=3t/(a-2t) -1 /+1
f+1=3t/a -3t/2t
f+1=3t/a -3/2 /+3/2
f+1+3/2=3t/a /*1/a
3t=(f+2 1/2)/a/:3
t=(f+2 1/2)/3a
p=5 -m/n+1 /*n+1 n≠-1
p(n+1)=5 -m/:p
n+1=5 -m / -1
n=5-1-m
n=4-m
x=2xy-3/2y+2 -2 /+2
x+2=2xy-3/2y+2 /*2y+2
(x+2)(2y+2)=2xy-3
2xy+2x+4y+4=2xy-3
2x+4y= -7 /-2x
4y=7-2x/:4
y=(7-2x)/4