6x-21=x+17+x

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Solution for 6x-21=x+17+x equation:


Simplifying
6x + -21 = x + 17 + x

Reorder the terms:
-21 + 6x = x + 17 + x

Reorder the terms:
-21 + 6x = 17 + x + x

Combine like terms: x + x = 2x
-21 + 6x = 17 + 2x

Solving
-21 + 6x = 17 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 6x + -2x = 17 + 2x + -2x

Combine like terms: 6x + -2x = 4x
-21 + 4x = 17 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 4x = 17 + 0
-21 + 4x = 17

Add '21' to each side of the equation.
-21 + 21 + 4x = 17 + 21

Combine like terms: -21 + 21 = 0
0 + 4x = 17 + 21
4x = 17 + 21

Combine like terms: 17 + 21 = 38
4x = 38

Divide each side by '4'.
x = 9.5

Simplifying
x = 9.5

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