x+18=7(n+3)

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Solution for x+18=7(n+3) equation:


Simplifying
x + 18 = 7(n + 3)

Reorder the terms:
18 + x = 7(n + 3)

Reorder the terms:
18 + x = 7(3 + n)
18 + x = (3 * 7 + n * 7)
18 + x = (21 + 7n)

Solving
18 + x = 21 + 7n

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 + x = 21 + -18 + 7n

Combine like terms: 18 + -18 = 0
0 + x = 21 + -18 + 7n
x = 21 + -18 + 7n

Combine like terms: 21 + -18 = 3
x = 3 + 7n

Simplifying
x = 3 + 7n

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