3x+4-9=13x

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Solution for 3x+4-9=13x equation:


Simplifying
3x + 4 + -9 = 13x

Reorder the terms:
4 + -9 + 3x = 13x

Combine like terms: 4 + -9 = -5
-5 + 3x = 13x

Solving
-5 + 3x = 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-5 + 3x + -13x = 13x + -13x

Combine like terms: 3x + -13x = -10x
-5 + -10x = 13x + -13x

Combine like terms: 13x + -13x = 0
-5 + -10x = 0

Add '5' to each side of the equation.
-5 + 5 + -10x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -10x = 0 + 5
-10x = 0 + 5

Combine like terms: 0 + 5 = 5
-10x = 5

Divide each side by '-10'.
x = -0.5

Simplifying
x = -0.5

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