10(X-1)=20

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Solution for 10(X-1)=20 equation: 


Simplifying
10(X + -1) = 20

Reorder the terms:
10(-1 + X) = 20
(-1 * 10 + X * 10) = 20
(-10 + 10X) = 20

Solving
-10 + 10X = 20

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + 10 + 10X = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 10X = 20 + 10
10X = 20 + 10

Combine like terms: 20 + 10 = 30
10X = 30

Divide each side by '10'.
X = 3

Simplifying
X = 3

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