Question

Prosze pomuzcie mi mam to na jutro

5(x+2)=3(y-1)+15
2(x+3)+7=3(y+6)-6

Answer 1

5x+10=3y-3+15
5x+3y=15-10
5x+3y=5
............. chyba tak
2(x+3)+7=3(y+6)-6
2x+6+7=3y+18-6
2x-3y=18-12-7
2x-3y=(-1)