5a+-12=9+10a

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Solution for 5a+-12=9+10a equation:


Simplifying
5a + -12 = 9 + 10a

Reorder the terms:
-12 + 5a = 9 + 10a

Solving
-12 + 5a = 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.
-12 + 5a + -10a = 9 + 10a + -10a

Combine like terms: 5a + -10a = -5a
-12 + -5a = 9 + 10a + -10a

Combine like terms: 10a + -10a = 0
-12 + -5a = 9 + 0
-12 + -5a = 9

Add '12' to each side of the equation.
-12 + 12 + -5a = 9 + 12

Combine like terms: -12 + 12 = 0
0 + -5a = 9 + 12
-5a = 9 + 12

Combine like terms: 9 + 12 = 21
-5a = 21

Divide each side by '-5'.
a = -4.2

Simplifying
a = -4.2

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