(3x-4)+(5x+9)=

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Solution for (3x-4)+(5x+9)= equation:


Simplifying
(3x + -4) + (5x + 9) = 0

Reorder the terms:
(-4 + 3x) + (5x + 9) = 0

Remove parenthesis around (-4 + 3x)
-4 + 3x + (5x + 9) = 0

Reorder the terms:
-4 + 3x + (9 + 5x) = 0

Remove parenthesis around (9 + 5x)
-4 + 3x + 9 + 5x = 0

Reorder the terms:
-4 + 9 + 3x + 5x = 0

Combine like terms: -4 + 9 = 5
5 + 3x + 5x = 0

Combine like terms: 3x + 5x = 8x
5 + 8x = 0

Solving
5 + 8x = 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 + 8x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 8x = 0 + -5
8x = 0 + -5

Combine like terms: 0 + -5 = -5
8x = -5

Divide each side by '8'.
x = -0.625

Simplifying
x = -0.625

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