Solve the system of equations by the substitution method.
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A) (-8, 2)
B) (8, 1)
C) (7, 2)
D) no solution
Correct Answer:
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Q20: Solve the system of equations by
Q21: Solve the system of equations by
Q22: Without graphing, decide:
(a)Are the graphs of
Q23: Without graphing, decide:
(a)Are the graphs of
Q24: Solve the system of equations by
Q26: Without graphing, decide:
(a)Are the graphs of
Q27: Solve the system of equations by
Q28: Without graphing, decide:
(a)Are the graphs of
Q29: Without graphing, decide:
(a)Are the graphs of
Q30: Without graphing, decide:
(a)Are the graphs of
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