He wheel shop sells various kinds of vehicles. one room in the shop has bicycles and go carts. each bicycle has only one seat and each go cart has only one seat. there are 21 seats and 54 wheels in that room . HOW many are bicycles and how many are go karts

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =