What is the answer to (3x+3)/(3x-3)=0 ?

The answer to (3x+3)/(3x-3)=0 is x=-1

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(3x+3)/(3x-3)=0

\frac{3 x + 3}{3 x - 3} = 0

x = - 1

Solution steps

\frac{3 x + 3}{3 x - 3} = 0

Simplify

\frac{3 x + 3}{3 x - 3} : \frac{x + 1}{x - 1}

\frac{x + 1}{x - 1} = 0

\frac{f ( x )}{g ( x )} = 0 \Rightarrow f (x) = 0

x + 1 = 0

Move

1

to the right side

x = - 1

Verify Solutions

Find undefined (singularity) points:

x = 1

Combine undefined points with solutions:

x = - 1

\frac{3}{q + 9} = \frac{4}{2 q + 6}

- \frac{16}{a} = 3 a - 15

\frac{- 4}{5} = \frac{3}{z - 5}

\frac{2}{3 x} - 5 = x

\frac{2}{x - 2} + \frac{3}{x + 2} = 0