(x+3)-(x+4)=12

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Solution for (x+3)-(x+4)=12 equation:


Simplifying
(x + 3) + -1(x + 4) = 12

Reorder the terms:
(3 + x) + -1(x + 4) = 12

Remove parenthesis around (3 + x)
3 + x + -1(x + 4) = 12

Reorder the terms:
3 + x + -1(4 + x) = 12
3 + x + (4 * -1 + x * -1) = 12
3 + x + (-4 + -1x) = 12

Reorder the terms:
3 + -4 + x + -1x = 12

Combine like terms: 3 + -4 = -1
-1 + x + -1x = 12

Combine like terms: x + -1x = 0
-1 + 0 = 12
-1 = 12

Solving
-1 = 12

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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