7(3n-3)+5=-7

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Solution for 7(3n-3)+5=-7 equation:


Simplifying
7(3n + -3) + 5 = -7

Reorder the terms:
7(-3 + 3n) + 5 = -7
(-3 * 7 + 3n * 7) + 5 = -7
(-21 + 21n) + 5 = -7

Reorder the terms:
-21 + 5 + 21n = -7

Combine like terms: -21 + 5 = -16
-16 + 21n = -7

Solving
-16 + 21n = -7

Solving for variable 'n'.

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

Add '16' to each side of the equation.
-16 + 16 + 21n = -7 + 16

Combine like terms: -16 + 16 = 0
0 + 21n = -7 + 16
21n = -7 + 16

Combine like terms: -7 + 16 = 9
21n = 9

Divide each side by '21'.
n = 0.4285714286

Simplifying
n = 0.4285714286

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