Zapisz w jak najprostszej postaci:
a) 3(2x - 1) + 4(1 - x) =
c) -2x(8 -x) - 5(x(do potęgi 2 to x) + 3x) =
e) 2x + 5 - 3x - 12
---------
3
g) 9-6x 21 - 14x
------- - ---------
3 7
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a)
c)
e)
g)
Pozdrawiam.
a) 3(2x - 1) + 4(1 - x)=
6x-3+4-4x=
2x+1=
c)-2x(8 - x) - 5(x + 3x)=
-16x+2x - 10x - 15x =
-16x + 4x - 10x - 15x =
-37x =
e) *3
2x+5-3x-12
-x-7
g)