10x=7x+21

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Solution for 10x=7x+21 equation: 


Simplifying
10x = 7x + 21

Reorder the terms:
10x = 21 + 7x

Solving
10x = 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.
10x + -7x = 21 + 7x + -7x

Combine like terms: 10x + -7x = 3x
3x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
3x = 21 + 0
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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