2(x+9y)=42

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Solution for 2(x+9y)=42 equation: 


Simplifying
2(x + 9y) = 42
(x * 2 + 9y * 2) = 42
(2x + 18y) = 42

Solving
2x + 18y = 42

Solving for variable 'x'.

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

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

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

Divide each side by '2'.
x = 21 + -9y

Simplifying
x = 21 + -9y

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