What is the answer to 2x+3=x+x+3 ?

The answer to 2x+3=x+x+3 is True for all x

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2x+3=x+x+3

2 x + 3 = x + x + 3

True for all x

Solution steps

2 x + 3 = x + x + 3

Subtract

3

from both sides

2 x + 3 - 3 = x + x + 3 - 3

Simplify

2 x = x + x

Add similar elements:

x + x = 2 x

2 x = 2 x

Move

2 x

to the left side

0 = 0

Both sides are equal

True for all x

7 x + 13 = 34

9 x^{2} - 36 x y + 11 y^{2}

(x - 8) (2 x + 3) = (3 x - 5) (x + 4)

\frac{x}{8} = 2

x^{2} + 34 x - 72 = 0