-[5-(a+1)]=9-[(2a-3)]

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Solution for -[5-(a+1)]=9-[(2a-3)] equation:


Simplifying
-1[5 + -1(a + 1)] = 9 + -1[2a + -3]

Reorder the terms:
-1[5 + -1(1 + a)] = 9 + -1[2a + -3]
-1[5 + (1 * -1 + a * -1)] = 9 + -1[2a + -3]
-1[5 + (-1 + -1a)] = 9 + -1[2a + -3]

Combine like terms: 5 + -1 = 4
-1[4 + -1a] = 9 + -1[2a + -3]
[4 * -1 + -1a * -1] = 9 + -1[2a + -3]
[-4 + 1a] = 9 + -1[2a + -3]

Reorder the terms:
-4 + 1a = 9 + -1[-3 + 2a]
-4 + 1a = 9 + [-3 * -1 + 2a * -1]
-4 + 1a = 9 + [3 + -2a]

Combine like terms: 9 + 3 = 12
-4 + 1a = 12 + -2a

Solving
-4 + 1a = 12 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-4 + 1a + 2a = 12 + -2a + 2a

Combine like terms: 1a + 2a = 3a
-4 + 3a = 12 + -2a + 2a

Combine like terms: -2a + 2a = 0
-4 + 3a = 12 + 0
-4 + 3a = 12

Add '4' to each side of the equation.
-4 + 4 + 3a = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 3a = 12 + 4
3a = 12 + 4

Combine like terms: 12 + 4 = 16
3a = 16

Divide each side by '3'.
a = 5.333333333

Simplifying
a = 5.333333333

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