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When solving a system by substitution, one should A. look for coefficients that are reciprocals B. solve for x or y in one equation first C. look for coefficients that are the s…

When solving a system by substitution, one should A. look for coefficients that are reciprocals B. solve for x or y in one equation first C. look for coefficients that are the s…
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When solving a system by substitution, one should

A. look for coefficients that are reciprocals
B. solve for x or y in one equation first
C. look for coefficients that are the same or opposites
D. always multiply by -1

User Dharmesh Porwal
by
7.5k points

1 Answer

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B, because to substitute for a variable you have to have an equation to substitute first.
User Ibis
by
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