x+(x-4)=(x+5)-(a+1)

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Solution for x+(x-4)=(x+5)-(a+1) equation:


Simplifying
x + (x + -4) = (x + 5) + -1(a + 1)

Reorder the terms:
x + (-4 + x) = (x + 5) + -1(a + 1)

Remove parenthesis around (-4 + x)
x + -4 + x = (x + 5) + -1(a + 1)

Reorder the terms:
-4 + x + x = (x + 5) + -1(a + 1)

Combine like terms: x + x = 2x
-4 + 2x = (x + 5) + -1(a + 1)

Reorder the terms:
-4 + 2x = (5 + x) + -1(a + 1)

Remove parenthesis around (5 + x)
-4 + 2x = 5 + x + -1(a + 1)

Reorder the terms:
-4 + 2x = 5 + x + -1(1 + a)
-4 + 2x = 5 + x + (1 * -1 + a * -1)
-4 + 2x = 5 + x + (-1 + -1a)

Reorder the terms:
-4 + 2x = 5 + -1 + -1a + x

Combine like terms: 5 + -1 = 4
-4 + 2x = 4 + -1a + x

Solving
-4 + 2x = 4 + -1a + 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.
-4 + 2x + -1x = 4 + -1a + x + -1x

Combine like terms: 2x + -1x = 1x
-4 + 1x = 4 + -1a + x + -1x

Combine like terms: x + -1x = 0
-4 + 1x = 4 + -1a + 0
-4 + 1x = 4 + -1a

Add '4' to each side of the equation.
-4 + 4 + 1x = 4 + 4 + -1a

Combine like terms: -4 + 4 = 0
0 + 1x = 4 + 4 + -1a
1x = 4 + 4 + -1a

Combine like terms: 4 + 4 = 8
1x = 8 + -1a

Divide each side by '1'.
x = 8 + -1a

Simplifying
x = 8 + -1a

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