9-4a=2a+11

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Solution for 9-4a=2a+11 equation:


Simplifying
9 + -4a = 2a + 11

Reorder the terms:
9 + -4a = 11 + 2a

Solving
9 + -4a = 11 + 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.
9 + -4a + -2a = 11 + 2a + -2a

Combine like terms: -4a + -2a = -6a
9 + -6a = 11 + 2a + -2a

Combine like terms: 2a + -2a = 0
9 + -6a = 11 + 0
9 + -6a = 11

Add '-9' to each side of the equation.
9 + -9 + -6a = 11 + -9

Combine like terms: 9 + -9 = 0
0 + -6a = 11 + -9
-6a = 11 + -9

Combine like terms: 11 + -9 = 2
-6a = 2

Divide each side by '-6'.
a = -0.3333333333

Simplifying
a = -0.3333333333

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