6x+9x=21+4x

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Solution for 6x+9x=21+4x equation:


Simplifying
6x + 9x = 21 + 4x

Combine like terms: 6x + 9x = 15x
15x = 21 + 4x

Solving
15x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
15x + -4x = 21 + 4x + -4x

Combine like terms: 15x + -4x = 11x
11x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
11x = 21 + 0
11x = 21

Divide each side by '11'.
x = 1.909090909

Simplifying
x = 1.909090909

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