11=9a+7-11a

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Solution for 11=9a+7-11a equation:


Simplifying
11 = 9a + 7 + -11a

Reorder the terms:
11 = 7 + 9a + -11a

Combine like terms: 9a + -11a = -2a
11 = 7 + -2a

Solving
11 = 7 + -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.
11 + 2a = 7 + -2a + 2a

Combine like terms: -2a + 2a = 0
11 + 2a = 7 + 0
11 + 2a = 7

Add '-11' to each side of the equation.
11 + -11 + 2a = 7 + -11

Combine like terms: 11 + -11 = 0
0 + 2a = 7 + -11
2a = 7 + -11

Combine like terms: 7 + -11 = -4
2a = -4

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

Simplifying
a = -2

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