6x-39=45-x

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Solution for 6x-39=45-x equation:


Simplifying
6x + -39 = 45 + -1x

Reorder the terms:
-39 + 6x = 45 + -1x

Solving
-39 + 6x = 45 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-39 + 6x + x = 45 + -1x + x

Combine like terms: 6x + x = 7x
-39 + 7x = 45 + -1x + x

Combine like terms: -1x + x = 0
-39 + 7x = 45 + 0
-39 + 7x = 45

Add '39' to each side of the equation.
-39 + 39 + 7x = 45 + 39

Combine like terms: -39 + 39 = 0
0 + 7x = 45 + 39
7x = 45 + 39

Combine like terms: 45 + 39 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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