ctrl shift - reverses the effect of ctrl shift =
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CRTL + Y is a shortcut for repeat typing or redo. Usually, the repeat typing button is near the undo button.
Solving • Work backward to isolate the variable and solve the equation.Multi-Step • Use subtraction to undo addition, and use addition to undo subtraction.Equations • Use multiplication to undo division, and use division to undo multiplication.
square it
Take logarithms?
Division