10x+21x=7x

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


Simplifying
10x + 21x = 7x

Combine like terms: 10x + 21x = 31x
31x = 7x

Solving
31x = 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.
31x + -7x = 7x + -7x

Combine like terms: 31x + -7x = 24x
24x = 7x + -7x

Combine like terms: 7x + -7x = 0
24x = 0

Divide each side by '24'.
x = 0

Simplifying
x = 0

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