12a-17=13a+9

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Solution for 12a-17=13a+9 equation:


Simplifying
12a + -17 = 13a + 9

Reorder the terms:
-17 + 12a = 13a + 9

Reorder the terms:
-17 + 12a = 9 + 13a

Solving
-17 + 12a = 9 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
-17 + 12a + -13a = 9 + 13a + -13a

Combine like terms: 12a + -13a = -1a
-17 + -1a = 9 + 13a + -13a

Combine like terms: 13a + -13a = 0
-17 + -1a = 9 + 0
-17 + -1a = 9

Add '17' to each side of the equation.
-17 + 17 + -1a = 9 + 17

Combine like terms: -17 + 17 = 0
0 + -1a = 9 + 17
-1a = 9 + 17

Combine like terms: 9 + 17 = 26
-1a = 26

Divide each side by '-1'.
a = -26

Simplifying
a = -26

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