Which expression is equivalent to (-7.5+21 1/4)+(-1/2)

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

What does x = in this equation x+3+2x=x+5

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2