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When solving a system of equations by _____ once you solve the equation for one variable, you plug the value for the variable back into the equation to find the value of the other variable.


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Verified Answer :

sophiethreadgil

substitution

the two ways to solve a system of equations are substitution and elimination. In substitution, you simplify one of the equations to find the value of one of the variables, then plug the value of that variable into the second equation.

The answer would be substitution.
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