10x-21x=7x

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Solution for 10x-21x=7x equation: 


Simplifying
10x + -21x = 7x

Combine like terms: 10x + -21x = -11x
-11x = 7x

Solving
-11x = 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 = 7x + -7x

Combine like terms: -11x + -7x = -18x
-18x = 7x + -7x

Combine like terms: 7x + -7x = 0
-18x = 0

Divide each side by '-18'.
x = 0

Simplifying
x = 0

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