9a-9=17+7a

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Solution for 9a-9=17+7a equation:


Simplifying
9a + -9 = 17 + 7a

Reorder the terms:
-9 + 9a = 17 + 7a

Solving
-9 + 9a = 17 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-9 + 9a + -7a = 17 + 7a + -7a

Combine like terms: 9a + -7a = 2a
-9 + 2a = 17 + 7a + -7a

Combine like terms: 7a + -7a = 0
-9 + 2a = 17 + 0
-9 + 2a = 17

Add '9' to each side of the equation.
-9 + 9 + 2a = 17 + 9

Combine like terms: -9 + 9 = 0
0 + 2a = 17 + 9
2a = 17 + 9

Combine like terms: 17 + 9 = 26
2a = 26

Divide each side by '2'.
a = 13

Simplifying
a = 13

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