3(-5+1)+2n=81

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Solution for 3(-5+1)+2n=81 equation:


Simplifying
3(-5 + 1) + 2n = 81

Combine like terms: -5 + 1 = -4
3(-4) + 2n = 81

Multiply 3 * -4
-12 + 2n = 81

Solving
-12 + 2n = 81

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + 2n = 81 + 12

Combine like terms: -12 + 12 = 0
0 + 2n = 81 + 12
2n = 81 + 12

Combine like terms: 81 + 12 = 93
2n = 93

Divide each side by '2'.
n = 46.5

Simplifying
n = 46.5

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