20=-8(2n-7)

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


Simplifying
20 = -8(2n + -7)

Reorder the terms:
20 = -8(-7 + 2n)
20 = (-7 * -8 + 2n * -8)
20 = (56 + -16n)

Solving
20 = 56 + -16n

Solving for variable 'n'.

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

Add '16n' to each side of the equation.
20 + 16n = 56 + -16n + 16n

Combine like terms: -16n + 16n = 0
20 + 16n = 56 + 0
20 + 16n = 56

Add '-20' to each side of the equation.
20 + -20 + 16n = 56 + -20

Combine like terms: 20 + -20 = 0
0 + 16n = 56 + -20
16n = 56 + -20

Combine like terms: 56 + -20 = 36
16n = 36

Divide each side by '16'.
n = 2.25

Simplifying
n = 2.25

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