2n+2n+6=90

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Solution for 2n+2n+6=90 equation: 


Simplifying
2n + 2n + 6 = 90

Reorder the terms:
6 + 2n + 2n = 90

Combine like terms: 2n + 2n = 4n
6 + 4n = 90

Solving
6 + 4n = 90

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 4n = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 4n = 90 + -6
4n = 90 + -6

Combine like terms: 90 + -6 = 84
4n = 84

Divide each side by '4'.
n = 21

Simplifying
n = 21

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