8-(A+1)=9+A

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Solution for 8-(A+1)=9+A equation:


Simplifying
8 + -1(A + 1) = 9 + A

Reorder the terms:
8 + -1(1 + A) = 9 + A
8 + (1 * -1 + A * -1) = 9 + A
8 + (-1 + -1A) = 9 + A

Combine like terms: 8 + -1 = 7
7 + -1A = 9 + A

Solving
7 + -1A = 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.
7 + -1A + -1A = 9 + A + -1A

Combine like terms: -1A + -1A = -2A
7 + -2A = 9 + A + -1A

Combine like terms: A + -1A = 0
7 + -2A = 9 + 0
7 + -2A = 9

Add '-7' to each side of the equation.
7 + -7 + -2A = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -2A = 9 + -7
-2A = 9 + -7

Combine like terms: 9 + -7 = 2
-2A = 2

Divide each side by '-2'.
A = -1

Simplifying
A = -1

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