Solve by the substitution method.6x + 12 = 6y3x + 2y = -31
A. (-7, -4)
B. (-7, -5)
C. No solution
D. (-8, -4)
Answer: B
Mathematics
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Solve for the variable.1.1x - 4.1 = 0.6x + 0.05
A. x = 7.47 B. x = 8.3 C. x = 8.2 D. x = -0.12
Mathematics
Solve the system. 2x2 + xy + 2y2 = 23x2 - 5xy + 3y2 = 3
A. {(1, 0)} B. {(1, 0), (-1, 0)} C. {(1, 0), (-1, 0), (0, 1), (0, -1)} D. {(1, 0), (0, 1)}
Mathematics
Answer the question.Choose the expression that is equivalent to the following: 9(
)
A. 9 + 
B. 9
C. 
D. 
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown number in the phrase.15 more than the product of 3 and the difference between a number and 3
A. 15 + 3(x + 3) B. 15 + 3x - 3 C. 15 + 3(x - 3) D. 15 - 3x + 3
Mathematics