Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.

A. {(0, -3)}
B. {(-1, -5)}
C. {(-3, 0)}
D. {(-3, 3)}

Answer: A

Mathematics

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Solve the linear equation. - 10 = -8

A. - 36 B. - 38 C. 36 D. 38

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Use the Gauss-Jordan method to find A-1, if it exists.A = 

A.

B.

C.

D.

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Factor.2x2(x + 5) - 3(x + 5)

A. (2x2 - 3)(x - 5) B. (2x2 - 3)(x + 5) C. (2x2 + 3)(x + 5) D. (6x2 - 3)(x + 5)

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Simplify.

A.
B.
C.
D.

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