2x-28+20=0

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Solution for 2x-28+20=0 equation: 


Simplifying
2x + -28 + 20 = 0

Reorder the terms:
-28 + 20 + 2x = 0

Combine like terms: -28 + 20 = -8
-8 + 2x = 0

Solving
-8 + 2x = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 0 + 8
2x = 0 + 8

Combine like terms: 0 + 8 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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