Solve by the substitution method.9x - 7y = 417x + 5y = 11
A. (3, -2)
B. (3, -1)
C. (41, 11)
D. (2, -1)
Answer: A
Mathematics
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A. 
j + 
k
B. 
j + 
k
C. 
j - 
k
D. - 
j + 
k
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Solve the equation.8m - 8 = 7m + 2
A. {9} B. {11} C. {-1} D. {10}
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Evaluate the algebraic expression for the given values of the variables.
, for p = 9, q = 1
A. 9 B. 7 C. 64 D. 8
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