2x+9x=21+7x

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Solution for 2x+9x=21+7x equation: 


Simplifying
2x + 9x = 21 + 7x

Combine like terms: 2x + 9x = 11x
11x = 21 + 7x

Solving
11x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
11x + -7x = 21 + 7x + -7x

Combine like terms: 11x + -7x = 4x
4x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
4x = 21 + 0
4x = 21

Divide each side by '4'.
x = 5.25

Simplifying
x = 5.25

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