3-2(A+1)=7+A

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Solution for 3-2(A+1)=7+A equation: 


Simplifying
3 + -2(A + 1) = 7 + A

Reorder the terms:
3 + -2(1 + A) = 7 + A
3 + (1 * -2 + A * -2) = 7 + A
3 + (-2 + -2A) = 7 + A

Combine like terms: 3 + -2 = 1
1 + -2A = 7 + A

Solving
1 + -2A = 7 + 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.
1 + -2A + -1A = 7 + A + -1A

Combine like terms: -2A + -1A = -3A
1 + -3A = 7 + A + -1A

Combine like terms: A + -1A = 0
1 + -3A = 7 + 0
1 + -3A = 7

Add '-1' to each side of the equation.
1 + -1 + -3A = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -3A = 7 + -1
-3A = 7 + -1

Combine like terms: 7 + -1 = 6
-3A = 6

Divide each side by '-3'.
A = -2

Simplifying
A = -2

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