2x+(x+1)=(12+x)-1

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Solution for 2x+(x+1)=(12+x)-1 equation: 


Simplifying
2x + (x + 1) = (12 + x) + -1

Reorder the terms:
2x + (1 + x) = (12 + x) + -1

Remove parenthesis around (1 + x)
2x + 1 + x = (12 + x) + -1

Reorder the terms:
1 + 2x + x = (12 + x) + -1

Combine like terms: 2x + x = 3x
1 + 3x = (12 + x) + -1

Remove parenthesis around (12 + x)
1 + 3x = 12 + x + -1

Reorder the terms:
1 + 3x = 12 + -1 + x

Combine like terms: 12 + -1 = 11
1 + 3x = 11 + x

Solving
1 + 3x = 11 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
1 + 3x + -1x = 11 + x + -1x

Combine like terms: 3x + -1x = 2x
1 + 2x = 11 + x + -1x

Combine like terms: x + -1x = 0
1 + 2x = 11 + 0
1 + 2x = 11

Add '-1' to each side of the equation.
1 + -1 + 2x = 11 + -1

Combine like terms: 1 + -1 = 0
0 + 2x = 11 + -1
2x = 11 + -1

Combine like terms: 11 + -1 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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