What is the answer to x+3(x+1)=2x ?

The answer to x+3(x+1)=2x is x=-3/2

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x+3(x+1)=2x

x + 3 (x + 1) = 2 x

x = - \frac{3}{2}

Decimal Notation

x = - 1.5

Solution steps

x + 3 (x + 1) = 2 x

Expand

3 (x + 1) : 3 x + 3

x + 3 x + 3 = 2 x

Add similar elements:

x + 3 x = 4 x

4 x + 3 = 2 x

Move

3

to the right side

4 x = 2 x - 3

Move

2 x

to the left side

2 x = - 3

Divide both sides by

2

x = - \frac{3}{2}

0.6 s = 120

20 - n = 52

x, 12 x + 11 y = 31

\frac{x}{9} = 20

6 x - 9 = 2 x + 3