(a+3)-(a-1)=

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Solution for (a+3)-(a-1)= equation:


Simplifying
(a + 3) + -1(a + -1) = 0

Reorder the terms:
(3 + a) + -1(a + -1) = 0

Remove parenthesis around (3 + a)
3 + a + -1(a + -1) = 0

Reorder the terms:
3 + a + -1(-1 + a) = 0
3 + a + (-1 * -1 + a * -1) = 0
3 + a + (1 + -1a) = 0

Reorder the terms:
3 + 1 + a + -1a = 0

Combine like terms: 3 + 1 = 4
4 + a + -1a = 0

Combine like terms: a + -1a = 0
4 + 0 = 0
4 = 0

Solving
4 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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