-3(7n+1)=18

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Solution for -3(7n+1)=18 equation:


Simplifying
-3(7n + 1) = 18

Reorder the terms:
-3(1 + 7n) = 18
(1 * -3 + 7n * -3) = 18
(-3 + -21n) = 18

Solving
-3 + -21n = 18

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + -21n = 18 + 3

Combine like terms: -3 + 3 = 0
0 + -21n = 18 + 3
-21n = 18 + 3

Combine like terms: 18 + 3 = 21
-21n = 21

Divide each side by '-21'.
n = -1

Simplifying
n = -1

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