2(x-9)=42

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Solution for 2(x-9)=42 equation: 


Simplifying
2(x + -9) = 42

Reorder the terms:
2(-9 + x) = 42
(-9 * 2 + x * 2) = 42
(-18 + 2x) = 42

Solving
-18 + 2x = 42

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 2x = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 42 + 18
2x = 42 + 18

Combine like terms: 42 + 18 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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