9a-1=5a-9

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Solution for 9a-1=5a-9 equation:


Simplifying
9a + -1 = 5a + -9

Reorder the terms:
-1 + 9a = 5a + -9

Reorder the terms:
-1 + 9a = -9 + 5a

Solving
-1 + 9a = -9 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-1 + 9a + -5a = -9 + 5a + -5a

Combine like terms: 9a + -5a = 4a
-1 + 4a = -9 + 5a + -5a

Combine like terms: 5a + -5a = 0
-1 + 4a = -9 + 0
-1 + 4a = -9

Add '1' to each side of the equation.
-1 + 1 + 4a = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 4a = -9 + 1
4a = -9 + 1

Combine like terms: -9 + 1 = -8
4a = -8

Divide each side by '4'.
a = -2

Simplifying
a = -2

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