-4(2n+9)=-20

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Solution for -4(2n+9)=-20 equation:


Simplifying
-4(2n + 9) = -20

Reorder the terms:
-4(9 + 2n) = -20
(9 * -4 + 2n * -4) = -20
(-36 + -8n) = -20

Solving
-36 + -8n = -20

Solving for variable 'n'.

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

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

Combine like terms: -36 + 36 = 0
0 + -8n = -20 + 36
-8n = -20 + 36

Combine like terms: -20 + 36 = 16
-8n = 16

Divide each side by '-8'.
n = -2

Simplifying
n = -2

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