a fost răspuns

5x(7x-1)+2(x+1)=-7(x+3)+3(3x-5)+43​

Răspuns :

35x - 5x + 2x + 2 = - 7x - 21 + 9x - 15 + 43

32x + 2 = 2x + 7

32x - 2x = 7 - 2

30x = 5

x = 5/30 = 1/6

x = 1/6

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