8x+4=2x-9

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Solution for 8x+4=2x-9 equation:


Simplifying
8x + 4 = 2x + -9

Reorder the terms:
4 + 8x = 2x + -9

Reorder the terms:
4 + 8x = -9 + 2x

Solving
4 + 8x = -9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
4 + 8x + -2x = -9 + 2x + -2x

Combine like terms: 8x + -2x = 6x
4 + 6x = -9 + 2x + -2x

Combine like terms: 2x + -2x = 0
4 + 6x = -9 + 0
4 + 6x = -9

Add '-4' to each side of the equation.
4 + -4 + 6x = -9 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = -9 + -4
6x = -9 + -4

Combine like terms: -9 + -4 = -13
6x = -13

Divide each side by '6'.
x = -2.166666667

Simplifying
x = -2.166666667

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