Question

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Answer 1

Answer: x =
`(-z - 7)/(y)`

Explanation:

Flip the equation

xy + z = −7

Add -z to both sides

xy + z + −z = − 7 + −z

xy = −z − 7

Divide both sides by y

`(xy)/(y)` =
`(-z - 7)/(y)`

x =
`(-z - 7)/(y)`

x =
`(-z - 7)/(y)`