5n+16=4n+21

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Solution for 5n+16=4n+21 equation:


Simplifying
5n + 16 = 4n + 21

Reorder the terms:
16 + 5n = 4n + 21

Reorder the terms:
16 + 5n = 21 + 4n

Solving
16 + 5n = 21 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
16 + 5n + -4n = 21 + 4n + -4n

Combine like terms: 5n + -4n = 1n
16 + 1n = 21 + 4n + -4n

Combine like terms: 4n + -4n = 0
16 + 1n = 21 + 0
16 + 1n = 21

Add '-16' to each side of the equation.
16 + -16 + 1n = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 1n = 21 + -16
1n = 21 + -16

Combine like terms: 21 + -16 = 5
1n = 5

Divide each side by '1'.
n = 5

Simplifying
n = 5

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