What is the answer to 2= 8/(-A) ?

The answer to 2= 8/(-A) is A=-4

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2= 8/(-A)

2 = \frac{8}{- A}

A = - 4

Solution steps

2 = \frac{8}{- A}

Simplify

\frac{8}{- A} : - \frac{8}{A}

2 = - \frac{8}{A}

Multiply both sides by

A

2 A = - 8

Divide both sides by

2

A = - 4

Verify Solutions

Find undefined (singularity) points:

A = 0

Combine undefined points with solutions:

A = - 4

\frac{3}{x} - \frac{3}{x + 2} = 2

\frac{3}{x + 9} = \frac{7}{x + 4}

\frac{5 x}{x ^{2} + 9} = - 1

\frac{25}{f + 2} = \frac{5}{3}

\frac{7}{x + 4} = 4 + \frac{5}{x - 2}