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Bassbost551
a fost răspuns

Rezolvati in Q ecuatiile: a)2(x+1)+3(x-2)=4(6-5x)-3
b)4x-9+2 (2-3x)=5-3(x-4)

Răspuns :

Maryanabel3579
B. 4x-9+2(2-3x)=5-3(x-4) 4x-9+4-6x=5-3x+12. -2x-5=17-3x -2x+3x=17+5 x=22. A.2(x+1)+3(x-2)=4(6-5x)-3. 2x+2+3x-6=24-20x-3. 5x-4=21-20x 5x+20x=21+4. 25x=25|:25. x=1

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