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Which of the following values of y will result in a true statement when substituted into the given equation?

y + 4.2 = 3.4

A. y = -0.8
B. y = 2.2
C. y = 4.3
D. y = 5.2

Respuesta :

delgadoestrella022

Answer:

A. -0.8

Step-by-step explanation:

non of the other answers will work because they are positive.

JdenLee

Answer:

A, y = -0.8

Step-by-step explanation:

To solve this, you have leave the y alone.

Subtract 4.2 from both sides.

y + 4.2 - 4.2 = 3.4 - 4.2

y = 3.4 - 4.2

y = -0.8

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