-31-6x=9x+21

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Solution for -31-6x=9x+21 equation:


Simplifying
-31 + -6x = 9x + 21

Reorder the terms:
-31 + -6x = 21 + 9x

Solving
-31 + -6x = 21 + 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.
-31 + -6x + -9x = 21 + 9x + -9x

Combine like terms: -6x + -9x = -15x
-31 + -15x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-31 + -15x = 21 + 0
-31 + -15x = 21

Add '31' to each side of the equation.
-31 + 31 + -15x = 21 + 31

Combine like terms: -31 + 31 = 0
0 + -15x = 21 + 31
-15x = 21 + 31

Combine like terms: 21 + 31 = 52
-15x = 52

Divide each side by '-15'.
x = -3.466666667

Simplifying
x = -3.466666667

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