(x+1)-2(1-x)=11

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Solution for (x+1)-2(1-x)=11 equation:


Simplifying
(x + 1) + -2(1 + -1x) = 11

Reorder the terms:
(1 + x) + -2(1 + -1x) = 11

Remove parenthesis around (1 + x)
1 + x + -2(1 + -1x) = 11
1 + x + (1 * -2 + -1x * -2) = 11
1 + x + (-2 + 2x) = 11

Reorder the terms:
1 + -2 + x + 2x = 11

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

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

Solving
-1 + 3x = 11

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 + 3x = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 11 + 1
3x = 11 + 1

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

Divide each side by '3'.
x = 4

Simplifying
x = 4

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