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Andradaandu55
a fost răspuns

Rezolvati ecuatiile:

a) 2(2x+7) = 3(x-1) = 6(x+3) - 18
b) 15(x-1) + 4(2-3x) = 9 - 2(x+4) .

Multumesc mult!

Răspuns :

Mikigabi22gabi
a)  4x+14+3x-3=6x+18-18
4x+3x-6x=-14
x=-14
b)  15x-15+8-12x=9-2x-8
15x-12x+2x=-8+9+15-8
5x=8
x=8/5
MFM
4x+14+3x-3=6x+18-18
7x-6x=-11
x=-11
b) 15x-15+8-12x=9-2x-8
5x=1+15-8=8
x=8/5

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