Question

1) x-(2x-(4x+3)) - спростить уравнение
2) 8m-(4n-(8m+(3n+5m))) - спростить уравнение
3)

Answer 1

x-(2x-4x-3)=x-2x+4x+3=3x+3=3(x+1)
8m-(4n-(8m+3n+5m))=8m-(4n-8m-3n-5m)=8m-4n+8m+3n+5m=5m-n