Question

12x-(2x+5)=10
13(x-1)-4=6x-17
X+(x+8)=10
6x-10=5/4
Por favor me ajudem preciso agora pois entrego amanhã

Answer 1

12x-(2x+5)=10 12x-2x-5=10 10x=10+5 10x=15 x=15/10=3/2 13(x-1)-4=6x-17 13x-13-4=6x-17 13x-6x=-17+4+13 7x=-17+17 x=0/7=0 x+(x+8)=10 x+x+8=10 2x=10-8 2x=2 x=2/2=1 6x-10=5/4 24x -40=5 24x=5+40 24x=45 x=45/24