The sum of two numbers is 37. Their difference is 6. Identify two appropriate variables, and use the variables to write equations. Use either the elimination method or substitution method to solve the equations.
A) Twice the larger number is 41.
B) Twice the larger number is 43.
C) Twice the larger number is 42.
D) Twice the smaller number is 30.
E) Twice the smaller number is 29.
Correct Answer:
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Q37: Solve D = rt for r.
A)
Q38: Solve for x.
Q39: Solve by substitution:
Q40: Write a system of equations to describe
Q41: Solve by substitution:
Q43: To cut costs, the new manager at
Q44: Solve by the elimination method:
Q45: Solve by substitution:
Q46: Define variables for the measures of
Q47: Identify two appropriate variables, and use
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