(9a+2)-12a=47

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Solution for (9a+2)-12a=47 equation:


Simplifying
(9a + 2) + -12a = 47

Reorder the terms:
(2 + 9a) + -12a = 47

Remove parenthesis around (2 + 9a)
2 + 9a + -12a = 47

Combine like terms: 9a + -12a = -3a
2 + -3a = 47

Solving
2 + -3a = 47

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -3a = 47 + -2

Combine like terms: 2 + -2 = 0
0 + -3a = 47 + -2
-3a = 47 + -2

Combine like terms: 47 + -2 = 45
-3a = 45

Divide each side by '-3'.
a = -15

Simplifying
a = -15

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