13x-4-9x+20=

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Solution for 13x-4-9x+20= equation:


Simplifying
13x + -4 + -9x + 20 = 0

Reorder the terms:
-4 + 20 + 13x + -9x = 0

Combine like terms: -4 + 20 = 16
16 + 13x + -9x = 0

Combine like terms: 13x + -9x = 4x
16 + 4x = 0

Solving
16 + 4x = 0

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 4x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 4x = 0 + -16
4x = 0 + -16

Combine like terms: 0 + -16 = -16
4x = -16

Divide each side by '4'.
x = -4

Simplifying
x = -4

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