(x-4)+(x+9)=

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Solution for (x-4)+(x+9)= equation:


Simplifying
(x + -4) + (x + 9) = 0

Reorder the terms:
(-4 + x) + (x + 9) = 0

Remove parenthesis around (-4 + x)
-4 + x + (x + 9) = 0

Reorder the terms:
-4 + x + (9 + x) = 0

Remove parenthesis around (9 + x)
-4 + x + 9 + x = 0

Reorder the terms:
-4 + 9 + x + x = 0

Combine like terms: -4 + 9 = 5
5 + x + x = 0

Combine like terms: x + x = 2x
5 + 2x = 0

Solving
5 + 2x = 0

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 2x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 0 + -5
2x = 0 + -5

Combine like terms: 0 + -5 = -5
2x = -5

Divide each side by '2'.
x = -2.5

Simplifying
x = -2.5

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