Use elimination by substitution to find the solution for the following system.
A. x = -4, y = -2, z = -5
B. x = -5, y = -2, z = -4
C. x = -4, y = -5, z = -2
D. The system is inconsistent.
Answer: B
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Provide an appropriate response.Solve the system of equations using the substitution method:x = 3y + 22x - y = 14
A. x = 
, y = 
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C. x = 
, y = 
D. x = 2, y = 0
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A. 72 B. 63 C. 9 D. 567
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log4 
A. 3 - log4
B. log464 - log4
C. 3 - 
log4(x - 1)
D. 3log44 - 
log4(x - 1)