3x-20-7x=2x+20-2x

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Solution for 3x-20-7x=2x+20-2x equation:


Simplifying
3x + -20 + -7x = 2x + 20 + -2x

Reorder the terms:
-20 + 3x + -7x = 2x + 20 + -2x

Combine like terms: 3x + -7x = -4x
-20 + -4x = 2x + 20 + -2x

Reorder the terms:
-20 + -4x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
-20 + -4x = 20 + 0
-20 + -4x = 20

Solving
-20 + -4x = 20

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -4x = 20 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 20 + 20
-4x = 20 + 20

Combine like terms: 20 + 20 = 40
-4x = 40

Divide each side by '-4'.
x = -10

Simplifying
x = -10

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