Rozwiąż równania :
a) -3(x+2) -2 (x+3) =
b) 2 (2x+5) -3 (5+x) = 4 (x+3) + 2 (2x+2) =
c) 4 (2x-8) -6 (x-4) = 2
d) -3 (x+2) +2 (2x-3) = -7 (3-x) = -7 (3-x) +5 (1-2x)
Nie pamiętam czy przykład d) przepisałam do końca .
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a ) x = 2 2/5
b) x = -3
c) x = 10
d) x = -1
a)-3(x+2) -2 (x+3) = x = 2⅖
b) 2 (2x+5) -3 (5+x) = 4 (x+3) + 2 (2x+2) = x = -3
c) 4 (2x-8) -6 (x-4) = 2 x = 10
d)-3 (x+2) +2 (2x-3) = -7 (3-x) = -7 (3-x) +5 (1-2x) x = -1