20-4n=-4(1+2n)

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Solution for 20-4n=-4(1+2n) equation:


Simplifying
20 + -4n = -4(1 + 2n)
20 + -4n = (1 * -4 + 2n * -4)
20 + -4n = (-4 + -8n)

Solving
20 + -4n = -4 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
20 + -4n + 8n = -4 + -8n + 8n

Combine like terms: -4n + 8n = 4n
20 + 4n = -4 + -8n + 8n

Combine like terms: -8n + 8n = 0
20 + 4n = -4 + 0
20 + 4n = -4

Add '-20' to each side of the equation.
20 + -20 + 4n = -4 + -20

Combine like terms: 20 + -20 = 0
0 + 4n = -4 + -20
4n = -4 + -20

Combine like terms: -4 + -20 = -24
4n = -24

Divide each side by '4'.
n = -6

Simplifying
n = -6

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