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3x=5
b)3x=14-5
3x=9
c)5=2y-y
5=y
d)-a+2a=-3+5
a=2
:)
5x -2x=1+4
3x = 5/3
x = 5/3
b) 3x+5=14
3x = 14 -5
3x = 9/3
x = 3
c) y+5=2y
y - 2y = -5
-y = -5/(-1)
y =5
d) -a+3=5-2a
- a + 2a = -3 +5
a = 2
5x-2x=1+4
3x=5 /:3
x= 5/3
3x+5=14
3x=-5+14
3x=9 /:3
x=3
y+5=2y
y-2y=-5
-1x=-5 /:(-1)
x=5
-a+3=5-2a
-a+2a=-3+5
a=2
Myślę że jest dobrze;)