What is the answer to -2= 4/((2*a)) ?

The answer to -2= 4/((2*a)) is a=-1

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-2= 4/((2*a))

- 2 = \frac{4}{( 2 \cdot a )}

a = - 1

Solution steps

- 2 = \frac{4}{( 2 a )}

Simplify

\frac{4}{2 a} : \frac{2}{a}

- 2 = \frac{2}{a}

Multiply both sides by

a

- 2 a = 2

Divide both sides by

- 2

a = - 1

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = - 1

\frac{2}{n - 5} = 4

6 \cdot 7 + a - \frac{a}{a} = 43

\frac{3 - ( x - 1 ) ( x - 2 )}{x} = 1 - x

(t) = \frac{2 t}{t + 2}

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