11x+6=9x+21

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Solution for 11x+6=9x+21 equation:


Simplifying
11x + 6 = 9x + 21

Reorder the terms:
6 + 11x = 9x + 21

Reorder the terms:
6 + 11x = 21 + 9x

Solving
6 + 11x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
6 + 11x + -9x = 21 + 9x + -9x

Combine like terms: 11x + -9x = 2x
6 + 2x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
6 + 2x = 21 + 0
6 + 2x = 21

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

Combine like terms: 6 + -6 = 0
0 + 2x = 21 + -6
2x = 21 + -6

Combine like terms: 21 + -6 = 15
2x = 15

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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