x+x+1=3

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Solution for x+x+1=3 equation: 


Simplifying
x + x + 1 = 3

Reorder the terms:
1 + x + x = 3

Combine like terms: x + x = 2x
1 + 2x = 3

Solving
1 + 2x = 3

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 2x = 3 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 3 + -1
2x = 3 + -1

Combine like terms: 3 + -1 = 2
2x = 2

Divide each side by '2'.
x = 1

Simplifying
x = 1

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