Solve the System of Equations by Substitution

question 78

Multiple Choice

Solve the system of equations by substitution. ​ ​

• A) ,
• B) ,
• C) ,
• D) ,
• E) ,

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Definitions:

Tennis

A racquet sport in which two or four players hit a lightweight ball back and forth across a net on a rectangular court.

Deductive Step

A part of reasoning where the conclusion is necessarily derived from the premises.

Modus Ponens

A logical argument form that, given premises "If P, then Q" and "P," concludes "Q," exemplifying a valid deductive reasoning pattern.

Disjunctive Syllogism

A valid argument form in logic where, given a disjunction and the negation of one of its terms, one logically infers the truth of the other term.