8-2(a-1)=5+9

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Solution for 8-2(a-1)=5+9 equation:


Simplifying
8 + -2(a + -1) = 5 + 9

Reorder the terms:
8 + -2(-1 + a) = 5 + 9
8 + (-1 * -2 + a * -2) = 5 + 9
8 + (2 + -2a) = 5 + 9

Combine like terms: 8 + 2 = 10
10 + -2a = 5 + 9

Combine like terms: 5 + 9 = 14
10 + -2a = 14

Solving
10 + -2a = 14

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + -2a = 14 + -10

Combine like terms: 10 + -10 = 0
0 + -2a = 14 + -10
-2a = 14 + -10

Combine like terms: 14 + -10 = 4
-2a = 4

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

Simplifying
a = -2

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