x+4=-x-7

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Solution for x+4=-x-7 equation:


Simplifying
x + 4 = -1x + -7

Reorder the terms:
4 + x = -1x + -7

Reorder the terms:
4 + x = -7 + -1x

Solving
4 + x = -7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
4 + x + x = -7 + -1x + x

Combine like terms: x + x = 2x
4 + 2x = -7 + -1x + x

Combine like terms: -1x + x = 0
4 + 2x = -7 + 0
4 + 2x = -7

Add '-4' to each side of the equation.
4 + -4 + 2x = -7 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -7 + -4
2x = -7 + -4

Combine like terms: -7 + -4 = -11
2x = -11

Divide each side by '2'.
x = -5.5

Simplifying
x = -5.5

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