6=2a-9

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Solution for 6=2a-9 equation:


Simplifying
6 = 2a + -9

Reorder the terms:
6 = -9 + 2a

Solving
6 = -9 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
6 + -2a = -9 + 2a + -2a

Combine like terms: 2a + -2a = 0
6 + -2a = -9 + 0
6 + -2a = -9

Add '-6' to each side of the equation.
6 + -6 + -2a = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -2a = -9 + -6
-2a = -9 + -6

Combine like terms: -9 + -6 = -15
-2a = -15

Divide each side by '-2'.
a = 7.5

Simplifying
a = 7.5

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