3(a+2)+2=(a-9)+3

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Solution for 3(a+2)+2=(a-9)+3 equation:


Simplifying
3(a + 2) + 2 = (a + -9) + 3

Reorder the terms:
3(2 + a) + 2 = (a + -9) + 3
(2 * 3 + a * 3) + 2 = (a + -9) + 3
(6 + 3a) + 2 = (a + -9) + 3

Reorder the terms:
6 + 2 + 3a = (a + -9) + 3

Combine like terms: 6 + 2 = 8
8 + 3a = (a + -9) + 3

Reorder the terms:
8 + 3a = (-9 + a) + 3

Remove parenthesis around (-9 + a)
8 + 3a = -9 + a + 3

Reorder the terms:
8 + 3a = -9 + 3 + a

Combine like terms: -9 + 3 = -6
8 + 3a = -6 + a

Solving
8 + 3a = -6 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
8 + 3a + -1a = -6 + a + -1a

Combine like terms: 3a + -1a = 2a
8 + 2a = -6 + a + -1a

Combine like terms: a + -1a = 0
8 + 2a = -6 + 0
8 + 2a = -6

Add '-8' to each side of the equation.
8 + -8 + 2a = -6 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = -6 + -8
2a = -6 + -8

Combine like terms: -6 + -8 = -14
2a = -14

Divide each side by '2'.
a = -7

Simplifying
a = -7

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