6-9x-3=-72+6x-15

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Solution for 6-9x-3=-72+6x-15 equation:


Simplifying
6 + -9x + -3 = -72 + 6x + -15

Reorder the terms:
6 + -3 + -9x = -72 + 6x + -15

Combine like terms: 6 + -3 = 3
3 + -9x = -72 + 6x + -15

Reorder the terms:
3 + -9x = -72 + -15 + 6x

Combine like terms: -72 + -15 = -87
3 + -9x = -87 + 6x

Solving
3 + -9x = -87 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
3 + -9x + -6x = -87 + 6x + -6x

Combine like terms: -9x + -6x = -15x
3 + -15x = -87 + 6x + -6x

Combine like terms: 6x + -6x = 0
3 + -15x = -87 + 0
3 + -15x = -87

Add '-3' to each side of the equation.
3 + -3 + -15x = -87 + -3

Combine like terms: 3 + -3 = 0
0 + -15x = -87 + -3
-15x = -87 + -3

Combine like terms: -87 + -3 = -90
-15x = -90

Divide each side by '-15'.
x = 6

Simplifying
x = 6

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