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Mathematics, 22.11.2019 02:31 10801652

Which is most likely the first step in solving a system of nonlinear equations by substitution?

a. substituting a number for one of the variables
b. substituting one equation into the other equation
c. isolating a variable in one of the equations
d. taking the square root of both sides of one of the equations

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Which is most likely the first step in solving a system of nonlinear equations by substitution?
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