Simplify the algebraic expression by combining similar terms.3.8x - 7.2y - 6.5x + 14.1y
A. -2.7x + 6.5y
B. -2.7x + 7.2y
C. -2.8x + 6.9y
D. -2.9x + 6.9y
E. -2.7x + 6.9y
Answer: E
Mathematics
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and 
find y when 
and 
A. y = 
B. y = 70
C. y = 
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A. 1
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A. 
B. 
C. 
D. 
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