4yx+3=4-5x
x-2y=c
y-2x=11
2+2=5
2+2
y-2x=-11
4xy-3y+3xy-y
10w+3v+7w+5v=
Let Bold u left parenthesis t right parenthesisequals2 t cubed Bold i plus left parenthesis t squared minus 9 right parenthesis Bo...