3+2=9a+2+7+a

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Solution for 3+2=9a+2+7+a equation:


Simplifying
3 + 2 = 9a + 2 + 7 + a

Combine like terms: 3 + 2 = 5
5 = 9a + 2 + 7 + a

Reorder the terms:
5 = 2 + 7 + 9a + a

Combine like terms: 2 + 7 = 9
5 = 9 + 9a + a

Combine like terms: 9a + a = 10a
5 = 9 + 10a

Solving
5 = 9 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
5 + -10a = 9 + 10a + -10a

Combine like terms: 10a + -10a = 0
5 + -10a = 9 + 0
5 + -10a = 9

Add '-5' to each side of the equation.
5 + -5 + -10a = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -10a = 9 + -5
-10a = 9 + -5

Combine like terms: 9 + -5 = 4
-10a = 4

Divide each side by '-10'.
a = -0.4

Simplifying
a = -0.4

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