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

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


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

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

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

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

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

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

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

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

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

Combine like terms: 5 + 1 = 6
4 + 2a = 6 + a + -1a

Combine like terms: a + -1a = 0
4 + 2a = 6 + 0
4 + 2a = 6

Solving
4 + 2a = 6

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 2a = 6 + -4

Combine like terms: 4 + -4 = 0
0 + 2a = 6 + -4
2a = 6 + -4

Combine like terms: 6 + -4 = 2
2a = 2

Divide each side by '2'.
a = 1

Simplifying
a = 1

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