45=6n+21

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Solution for 45=6n+21 equation:


Simplifying
45 = 6n + 21

Reorder the terms:
45 = 21 + 6n

Solving
45 = 21 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
45 + -6n = 21 + 6n + -6n

Combine like terms: 6n + -6n = 0
45 + -6n = 21 + 0
45 + -6n = 21

Add '-45' to each side of the equation.
45 + -45 + -6n = 21 + -45

Combine like terms: 45 + -45 = 0
0 + -6n = 21 + -45
-6n = 21 + -45

Combine like terms: 21 + -45 = -24
-6n = -24

Divide each side by '-6'.
n = 4

Simplifying
n = 4

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