6x-9=31-4x

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Solution for 6x-9=31-4x equation:


Simplifying
6x + -9 = 31 + -4x

Reorder the terms:
-9 + 6x = 31 + -4x

Solving
-9 + 6x = 31 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-9 + 6x + 4x = 31 + -4x + 4x

Combine like terms: 6x + 4x = 10x
-9 + 10x = 31 + -4x + 4x

Combine like terms: -4x + 4x = 0
-9 + 10x = 31 + 0
-9 + 10x = 31

Add '9' to each side of the equation.
-9 + 9 + 10x = 31 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 31 + 9
10x = 31 + 9

Combine like terms: 31 + 9 = 40
10x = 40

Divide each side by '10'.
x = 4

Simplifying
x = 4

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