2n+3+18=4

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Solution for 2n+3+18=4 equation:


Simplifying
2n + 3 + 18 = 4

Reorder the terms:
3 + 18 + 2n = 4

Combine like terms: 3 + 18 = 21
21 + 2n = 4

Solving
21 + 2n = 4

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 2n = 4 + -21

Combine like terms: 21 + -21 = 0
0 + 2n = 4 + -21
2n = 4 + -21

Combine like terms: 4 + -21 = -17
2n = -17

Divide each side by '2'.
n = -8.5

Simplifying
n = -8.5

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