X*4-20=20

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Solution for X*4-20=20 equation: 


Simplifying
X * 4 + -20 = 20

Reorder the terms for easier multiplication:
4X + -20 = 20

Reorder the terms:
-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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