Solve the system in terms of the arbitrary variable listed.x; x + y - 2z = 83x + z = - 6
A. {(x, -7x - 4, -3x - 6)}
B. {(x, 7x - 4, -3x - 6)}
C. {(x, 7x + 4, -3x - 6)}
D. {(x, -7x + 4, -3x - 6)}
Answer: A
Mathematics
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Simplify.3(x + 2y - z) - 3(2x - y + 3z)
A. -3x + 3y - 12z B. 9x + 9y - 12z C. -3x + 9y + 12z D. -3x + 9y - 12z
Mathematics
Which of the following is a zero of the given function?
a. x = -2
b. x = -5
c. x = -7
d. x = -9
e. none of these
Mathematics
Simplify the fraction. (Write the fraction in lowest terms.) If the fraction cannot be simplified, so state.3
A. 32
B. 3
C. 3
D. 
Mathematics
Solve.0.1x - 0.1y + 0.5z = -2.2x + 2y + z = -110.5x + 0.1z = -0.5
A. No solution B. (-5, -3, 0) C. (0, -3, -5) D. (-5, 0, -3)
Mathematics