-420=-7(8n-4)

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Solution for -420=-7(8n-4) equation:


Simplifying
-420 = -7(8n + -4)

Reorder the terms:
-420 = -7(-4 + 8n)
-420 = (-4 * -7 + 8n * -7)
-420 = (28 + -56n)

Solving
-420 = 28 + -56n

Solving for variable 'n'.

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

Add '56n' to each side of the equation.
-420 + 56n = 28 + -56n + 56n

Combine like terms: -56n + 56n = 0
-420 + 56n = 28 + 0
-420 + 56n = 28

Add '420' to each side of the equation.
-420 + 420 + 56n = 28 + 420

Combine like terms: -420 + 420 = 0
0 + 56n = 28 + 420
56n = 28 + 420

Combine like terms: 28 + 420 = 448
56n = 448

Divide each side by '56'.
n = 8

Simplifying
n = 8

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