Solve by the substitution method.
-9x - 6y = -72 -2x + 3y = 31
A) No solution
B) (-3, 10)
C) (-2, 9)
D) (-2, 10)
Correct Answer:
Verified
Q21: Solve by the substitution method.
-x - 4y
Q22: Solve using the elimination method.
-- x -
Q23: Solve by the substitution method.
-x - 2y
Q24: Solve by the substitution method.
-x + y
Q25: Solve by the substitution method.
-x + y
Q27: Solve by the substitution method.
-x - 6y
Q28: Solve by the substitution method.
-7x + 7y
Q29: Solve the problem.
-The perimeter of a rectangle
Q30: Solve by the substitution method.
--7x + 7y
Q31: Solve using the substitution method.
-x = -1
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