6a-9=4a+13

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Solution for 6a-9=4a+13 equation:


Simplifying
6a + -9 = 4a + 13

Reorder the terms:
-9 + 6a = 4a + 13

Reorder the terms:
-9 + 6a = 13 + 4a

Solving
-9 + 6a = 13 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-9 + 6a + -4a = 13 + 4a + -4a

Combine like terms: 6a + -4a = 2a
-9 + 2a = 13 + 4a + -4a

Combine like terms: 4a + -4a = 0
-9 + 2a = 13 + 0
-9 + 2a = 13

Add '9' to each side of the equation.
-9 + 9 + 2a = 13 + 9

Combine like terms: -9 + 9 = 0
0 + 2a = 13 + 9
2a = 13 + 9

Combine like terms: 13 + 9 = 22
2a = 22

Divide each side by '2'.
a = 11

Simplifying
a = 11

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