The X key actually has four variables on it. It's located near the top of the keyboard, as shown. Press this key whenever you want to put the variable X into an equation (for example, in Y=2X + 3) |
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The X key actually has four variables on it. It's located near the top of the keyboard, as shown. Press this key whenever you want to put the variable X into an equation (for example, in Y=2X + 3) |