2[5-(3a+8)]+9=5(5+a)

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Solution for 2[5-(3a+8)]+9=5(5+a) equation:


Simplifying
2[5 + -1(3a + 8)] + 9 = 5(5 + a)

Reorder the terms:
2[5 + -1(8 + 3a)] + 9 = 5(5 + a)
2[5 + (8 * -1 + 3a * -1)] + 9 = 5(5 + a)
2[5 + (-8 + -3a)] + 9 = 5(5 + a)

Combine like terms: 5 + -8 = -3
2[-3 + -3a] + 9 = 5(5 + a)
[-3 * 2 + -3a * 2] + 9 = 5(5 + a)
[-6 + -6a] + 9 = 5(5 + a)

Reorder the terms:
-6 + 9 + -6a = 5(5 + a)

Combine like terms: -6 + 9 = 3
3 + -6a = 5(5 + a)
3 + -6a = (5 * 5 + a * 5)
3 + -6a = (25 + 5a)

Solving
3 + -6a = 25 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
3 + -6a + -5a = 25 + 5a + -5a

Combine like terms: -6a + -5a = -11a
3 + -11a = 25 + 5a + -5a

Combine like terms: 5a + -5a = 0
3 + -11a = 25 + 0
3 + -11a = 25

Add '-3' to each side of the equation.
3 + -3 + -11a = 25 + -3

Combine like terms: 3 + -3 = 0
0 + -11a = 25 + -3
-11a = 25 + -3

Combine like terms: 25 + -3 = 22
-11a = 22

Divide each side by '-11'.
a = -2

Simplifying
a = -2

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