9-2(a-1)=2+9

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Solution for 9-2(a-1)=2+9 equation: 


Simplifying
9 + -2(a + -1) = 2 + 9

Reorder the terms:
9 + -2(-1 + a) = 2 + 9
9 + (-1 * -2 + a * -2) = 2 + 9
9 + (2 + -2a) = 2 + 9

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

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

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

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

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

Solving
-2a = 0

Solving for variable 'a'.

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

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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