-21-8n=-4(9n+5)

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Solution for -21-8n=-4(9n+5) equation:


Simplifying
-21 + -8n = -4(9n + 5)

Reorder the terms:
-21 + -8n = -4(5 + 9n)
-21 + -8n = (5 * -4 + 9n * -4)
-21 + -8n = (-20 + -36n)

Solving
-21 + -8n = -20 + -36n

Solving for variable 'n'.

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

Add '36n' to each side of the equation.
-21 + -8n + 36n = -20 + -36n + 36n

Combine like terms: -8n + 36n = 28n
-21 + 28n = -20 + -36n + 36n

Combine like terms: -36n + 36n = 0
-21 + 28n = -20 + 0
-21 + 28n = -20

Add '21' to each side of the equation.
-21 + 21 + 28n = -20 + 21

Combine like terms: -21 + 21 = 0
0 + 28n = -20 + 21
28n = -20 + 21

Combine like terms: -20 + 21 = 1
28n = 1

Divide each side by '28'.
n = 0.03571428571

Simplifying
n = 0.03571428571

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