Solve the system by substitution.
-x - 7y = -56 9x - 7y = -112
A) No solution
B) (-6, 6)
C) (-7, 7)
D) (7, 6)
Correct Answer:
Verified
Q6: Solve the system by substitution.
-x + 6y
Q7: Solve the system by substitution.
-x + 3y
Q8: Decide whether the ordered pair is
Q9: Solve the system by substitution.
-
Q10: Solve the system by substitution.
-x + y
Q12: Decide whether the ordered pair is a
Q13: Solve the system algebraically.
-
Q14: Decide whether the ordered pair is
Q15: Solve the system by substitution.
-x + 6y
Q16: Decide whether the ordered pair is a
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