21+5x=6x+6

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Solution for 21+5x=6x+6 equation:


Simplifying
21 + 5x = 6x + 6

Reorder the terms:
21 + 5x = 6 + 6x

Solving
21 + 5x = 6 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21 + 5x + -6x = 6 + 6x + -6x

Combine like terms: 5x + -6x = -1x
21 + -1x = 6 + 6x + -6x

Combine like terms: 6x + -6x = 0
21 + -1x = 6 + 0
21 + -1x = 6

Add '-21' to each side of the equation.
21 + -21 + -1x = 6 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 6 + -21
-1x = 6 + -21

Combine like terms: 6 + -21 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

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