7x=9x-20

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Solution for 7x=9x-20 equation: 


Simplifying
7x = 9x + -20

Reorder the terms:
7x = -20 + 9x

Solving
7x = -20 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7x + -9x = -20 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-2x = -20 + 9x + -9x

Combine like terms: 9x + -9x = 0
-2x = -20 + 0
-2x = -20

Divide each side by '-2'.
x = 10

Simplifying
x = 10

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