Zadanie.
Proszę o pomoc!!! WAŻNE.
a)
3x-5y=6|+5y
3x=6+5y|:3
x=2+5/3y
b)
1/5a-6b=8c|+6b
1/5a=8c+6b|*5
a=40c+30b
c)
P=W/t |*t
P*t=W |:P
t=W/P
d)
T=f*N |:N
T/N= f
e)
2x- 4y=6 |+4y
2x= 6+4y |:2
x= 3+ 2y
f)
x+5y/ 6 =x\*6
x+5y= 6x|-x
5y=5x|:5
x=y
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a)
3x-5y=6|+5y
3x=6+5y|:3
x=2+5/3y
b)
1/5a-6b=8c|+6b
1/5a=8c+6b|*5
a=40c+30b
c)
P=W/t |*t
P*t=W |:P
t=W/P
d)
T=f*N |:N
T/N= f
e)
2x- 4y=6 |+4y
2x= 6+4y |:2
x= 3+ 2y
f)
x+5y/ 6 =x\*6
x+5y= 6x|-x
5y=5x|:5
x=y