(18+x)2=30

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Solution for (18+x)2=30 equation:


Simplifying
(18 + x) * 2 = 30

Reorder the terms for easier multiplication:
2(18 + x) = 30
(18 * 2 + x * 2) = 30
(36 + 2x) = 30

Solving
36 + 2x = 30

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 2x = 30 + -36

Combine like terms: 36 + -36 = 0
0 + 2x = 30 + -36
2x = 30 + -36

Combine like terms: 30 + -36 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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