Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3
x + 2y = 2
-5x - 5y = 2
B. 2x + y + z = -3
x - 5y = 2
C. 2x = -3
x + y = 2
-5x - 5y = 2
Answer: C
Mathematics
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A. M(x) = 
B. M(x) = 
C. M(x) = x + 8
D. M(x) = 8x
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, g(y) ? 0
A. x first B. y first
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Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
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Solve the equation by making an appropriate substitution.x-2 + x-1 - 56 = 0
A. {8, -7}
B. {-8, 7}
C. 
D. 
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