Solve the linear equation.2x - 4 + 3(x + 1) = 4x - 4

A.
B. {4}
C.
D.

Answer: A

Mathematics

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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.

A.
B.
C.
D.

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Provide an appropriate response.Identify the variable and the constant in this expression: 

A. variable 3x; constant 10x3  B. variable x; constant 15 C. variable x; constant 3x D. variable 15; constant x

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Identify the constant term, leading term, and leading coefficient of the polynomial.4x2 + 5x - 2

A. 4 ; 4x2;  5x B. -2 ; 4x2 ; 4 C. 3;  x2; 4 D. 4 ; 4x2; 4

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Solve by the substitution method. x + y = 92x + 2y = 18

A. (9, 2) B. (9, 0) C. Infinite number of solutions D. (0, 0)

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Mathematics