4n-5(5n-4)=-127

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Solution for 4n-5(5n-4)=-127 equation:


Simplifying
4n + -5(5n + -4) = -127

Reorder the terms:
4n + -5(-4 + 5n) = -127
4n + (-4 * -5 + 5n * -5) = -127
4n + (20 + -25n) = -127

Reorder the terms:
20 + 4n + -25n = -127

Combine like terms: 4n + -25n = -21n
20 + -21n = -127

Solving
20 + -21n = -127

Solving for variable 'n'.

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

Add '-20' to each side of the equation.
20 + -20 + -21n = -127 + -20

Combine like terms: 20 + -20 = 0
0 + -21n = -127 + -20
-21n = -127 + -20

Combine like terms: -127 + -20 = -147
-21n = -147

Divide each side by '-21'.
n = 7

Simplifying
n = 7

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