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.
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They are equations in which you have to use more than more function to solve the problem.
because you do the opposite
They are equations that involve many steps to find the solution.
3*-7=29
The first step is usually to solve one of the equations for one of the variables.Once you have done this, you can replace the right side of this equation for the variable, in one of the other equations.