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

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


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

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

Combine like terms: 2 + -5 = -3
-3 + -5a = 9 + a

Solving
-3 + -5a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-3 + -5a + -1a = 9 + a + -1a

Combine like terms: -5a + -1a = -6a
-3 + -6a = 9 + a + -1a

Combine like terms: a + -1a = 0
-3 + -6a = 9 + 0
-3 + -6a = 9

Add '3' to each side of the equation.
-3 + 3 + -6a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -6a = 9 + 3
-6a = 9 + 3

Combine like terms: 9 + 3 = 12
-6a = 12

Divide each side by '-6'.
a = -2

Simplifying
a = -2

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