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

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