Solve the problem.
-The sum of two numbers is 39 and their difference is 17. Find the numbers.
A) 13 and 30
B) 26 and 13
C) 28 and 11
D) 23 and 16
Correct Answer:
Verified
Q21: Solve by the substitution method.
-x + 2y
Q22: Solve by the substitution method.
-x + 7y
Q23: Solve using the elimination method.
-- x +
Q24: Solve the problem.
-The perimeter of a triangle
Q25: Solve the problem.
-The perimeter of a rectangle
Q27: Solve by the substitution method.
-x + y
Q28: Solve using the elimination method.
-2 x -
Q29: Solve the problem.
-The sum of two angles
Q30: Solve by the substitution method.
-x + y
Q31: Solve the problem.
-Two angles have a sum
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