4(-5n-7)-5n=-128

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Solution for 4(-5n-7)-5n=-128 equation:


Simplifying
4(-5n + -7) + -5n = -128

Reorder the terms:
4(-7 + -5n) + -5n = -128
(-7 * 4 + -5n * 4) + -5n = -128
(-28 + -20n) + -5n = -128

Combine like terms: -20n + -5n = -25n
-28 + -25n = -128

Solving
-28 + -25n = -128

Solving for variable 'n'.

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

Add '28' to each side of the equation.
-28 + 28 + -25n = -128 + 28

Combine like terms: -28 + 28 = 0
0 + -25n = -128 + 28
-25n = -128 + 28

Combine like terms: -128 + 28 = -100
-25n = -100

Divide each side by '-25'.
n = 4

Simplifying
n = 4

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