6x-84=31+x

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Solution for 6x-84=31+x equation:


Simplifying
6x + -84 = 31 + x

Reorder the terms:
-84 + 6x = 31 + x

Solving
-84 + 6x = 31 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-84 + 6x + -1x = 31 + x + -1x

Combine like terms: 6x + -1x = 5x
-84 + 5x = 31 + x + -1x

Combine like terms: x + -1x = 0
-84 + 5x = 31 + 0
-84 + 5x = 31

Add '84' to each side of the equation.
-84 + 84 + 5x = 31 + 84

Combine like terms: -84 + 84 = 0
0 + 5x = 31 + 84
5x = 31 + 84

Combine like terms: 31 + 84 = 115
5x = 115

Divide each side by '5'.
x = 23

Simplifying
x = 23

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