9x-28=6x+21

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Solution for 9x-28=6x+21 equation:


Simplifying
9x + -28 = 6x + 21

Reorder the terms:
-28 + 9x = 6x + 21

Reorder the terms:
-28 + 9x = 21 + 6x

Solving
-28 + 9x = 21 + 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.
-28 + 9x + -6x = 21 + 6x + -6x

Combine like terms: 9x + -6x = 3x
-28 + 3x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-28 + 3x = 21 + 0
-28 + 3x = 21

Add '28' to each side of the equation.
-28 + 28 + 3x = 21 + 28

Combine like terms: -28 + 28 = 0
0 + 3x = 21 + 28
3x = 21 + 28

Combine like terms: 21 + 28 = 49
3x = 49

Divide each side by '3'.
x = 16.33333333

Simplifying
x = 16.33333333

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