3(1+7n)=-19-n

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Solution for 3(1+7n)=-19-n equation:


Simplifying
3(1 + 7n) = -19 + -1n
(1 * 3 + 7n * 3) = -19 + -1n
(3 + 21n) = -19 + -1n

Solving
3 + 21n = -19 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
3 + 21n + n = -19 + -1n + n

Combine like terms: 21n + n = 22n
3 + 22n = -19 + -1n + n

Combine like terms: -1n + n = 0
3 + 22n = -19 + 0
3 + 22n = -19

Add '-3' to each side of the equation.
3 + -3 + 22n = -19 + -3

Combine like terms: 3 + -3 = 0
0 + 22n = -19 + -3
22n = -19 + -3

Combine like terms: -19 + -3 = -22
22n = -22

Divide each side by '22'.
n = -1

Simplifying
n = -1

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