Ex doi , dau funda repede vaaaaaaa rogggggg

Ex Doi Dau Funda Repede Vaaaaaaa Rogggggg class=

Răspuns :

2x-3+5x=7x-3
7+a-10-8a=-7a-3
8x-5+10x-3-4x=14x-8
13+x la 2-6+5x la 2=6 x la 2 +7
5x-5x+12=12
4a-5x+2a+5x-3a=3a