(a+1)=9

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Solution for (a+1)=9 equation: 


Simplifying
(a + 1) = 9

Reorder the terms:
(1 + a) = 9

Remove parenthesis around (1 + a)
1 + a = 9

Solving
1 + a = 9

Solving for variable 'a'.

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

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

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

Combine like terms: 9 + -1 = 8
a = 8

Simplifying
a = 8

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