Multiple Choice
Solve the problem by using a system of equations. The tens digit of a two-digit number is 7 less than three times the units digit. If the sum of the digits is 9, find the number.
A) 57
B) 54
C) 45
D) 48
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q205: Solve the system. <span class="ql-formula"
Q206: Solve the system by the substitution
Q207: Use a matrix approach to solve
Q208: If A is a <span
Q209: Solve the system. <span class="ql-formula"
Q211: Solve each system of equations by
Q212: Solve the homogeneous system. <span
Q213: Solve the system by the substitution
Q214: Solve the system. <span class="ql-formula"
Q215: Solve the system by the substitution