Mathematics
solve each algebraic equation

Question Description

2 + 4/5y = -7 + 2/5Y

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Final Answer

2 + 4/5y = -7 + 2/5Y

2 + 7     =  2/5 y - 4/5 y  (Addition Principle of Equality )

9           =   -2/5 y    (combine like terms)

-5/2( 9  =  -2/5 y) -5/2    *multiply both sides by the reciprocal of -2/5 (Multiplication Property of Equality)

-45/2    =  y 

-22.5   = y

Purdue University

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