15x+4=9x-8

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Solution for 15x+4=9x-8 equation:


Simplifying
15x + 4 = 9x + -8

Reorder the terms:
4 + 15x = 9x + -8

Reorder the terms:
4 + 15x = -8 + 9x

Solving
4 + 15x = -8 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
4 + 15x + -9x = -8 + 9x + -9x

Combine like terms: 15x + -9x = 6x
4 + 6x = -8 + 9x + -9x

Combine like terms: 9x + -9x = 0
4 + 6x = -8 + 0
4 + 6x = -8

Add '-4' to each side of the equation.
4 + -4 + 6x = -8 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = -8 + -4
6x = -8 + -4

Combine like terms: -8 + -4 = -12
6x = -12

Divide each side by '6'.
x = -2

Simplifying
x = -2

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