2(x-20)=42

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Solution for 2(x-20)=42 equation: 


Simplifying
2(x + -20) = 42

Reorder the terms:
2(-20 + x) = 42
(-20 * 2 + x * 2) = 42
(-40 + 2x) = 42

Solving
-40 + 2x = 42

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 2x = 42 + 40

Combine like terms: -40 + 40 = 0
0 + 2x = 42 + 40
2x = 42 + 40

Combine like terms: 42 + 40 = 82
2x = 82

Divide each side by '2'.
x = 41

Simplifying
x = 41

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