What is the answer to 6*7+a-a/a =43 ?

The answer to 6*7+a-a/a =43 is a=2

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6*7+a-a/a =43

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

a = 2

Solution steps

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

Move

6 \cdot 7

to the right side

a - \frac{a}{a} = 1

Simplify

- \frac{a}{a} : - 1

a - 1 = 1

Move

1

to the right side

a = 2

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = 2

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

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

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

- 6 = - \frac{2}{w}

x + \frac{16}{x + 2} = 6