20-8n=-4(7-2n)

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Solution for 20-8n=-4(7-2n) equation:


Simplifying
20 + -8n = -4(7 + -2n)
20 + -8n = (7 * -4 + -2n * -4)
20 + -8n = (-28 + 8n)

Solving
20 + -8n = -28 + 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 + -8n + -8n = -28 + 8n + -8n

Combine like terms: -8n + -8n = -16n
20 + -16n = -28 + 8n + -8n

Combine like terms: 8n + -8n = 0
20 + -16n = -28 + 0
20 + -16n = -28

Add '-20' to each side of the equation.
20 + -20 + -16n = -28 + -20

Combine like terms: 20 + -20 = 0
0 + -16n = -28 + -20
-16n = -28 + -20

Combine like terms: -28 + -20 = -48
-16n = -48

Divide each side by '-16'.
n = 3

Simplifying
n = 3

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