a+(9+4)=(a+5)-(a+1)

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Solution for a+(9+4)=(a+5)-(a+1) equation:


Simplifying
a + (9 + 4) = (a + 5) + -1(a + 1)

Combine like terms: 9 + 4 = 13
a + (13) = (a + 5) + -1(a + 1)
a + 13 = (a + 5) + -1(a + 1)

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

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

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

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

Reorder the terms:
13 + a = 5 + -1 + a + -1a

Combine like terms: 5 + -1 = 4
13 + a = 4 + a + -1a

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

Solving
13 + a = 4

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a = 4 + -13

Combine like terms: 13 + -13 = 0
0 + a = 4 + -13
a = 4 + -13

Combine like terms: 4 + -13 = -9
a = -9

Simplifying
a = -9

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