What is the answer to 3x+9=3(x+3) ?

The answer to 3x+9=3(x+3) is True for all x

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3x+9=3(x+3)

3 x + 9 = 3 (x + 3)

True for all x

Solution steps

3 x + 9 = 3 (x + 3)

Expand

3 (x + 3) : 3 x + 9

3 x + 9 = 3 x + 9

Move

9

to the right side

3 x = 3 x

Move

3 x

to the left side

0 = 0

Both sides are equal

True for all x

\frac{x}{3} = \frac{4}{3}

\frac{3 x + 8}{5} = \frac{1 - 2 x}{2}

- 4 x + 2 (x + 4) = - 7 x - (x + 1) - 7 x - (x + 1)

5 (x + 1) + 9.4 = - 9.9

6 (y - 5) = 2 (10 + 3 y)