7x=2x-20

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Solution for 7x=2x-20 equation: 


Simplifying
7x = 2x + -20

Reorder the terms:
7x = -20 + 2x

Solving
7x = -20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
7x + -2x = -20 + 2x + -2x

Combine like terms: 7x + -2x = 5x
5x = -20 + 2x + -2x

Combine like terms: 2x + -2x = 0
5x = -20 + 0
5x = -20

Divide each side by '5'.
x = -4

Simplifying
x = -4

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