-168=-4n-7(-7-5n)

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Solution for -168=-4n-7(-7-5n) equation:


Simplifying
-168 = -4n + -7(-7 + -5n)
-168 = -4n + (-7 * -7 + -5n * -7)
-168 = -4n + (49 + 35n)

Reorder the terms:
-168 = 49 + -4n + 35n

Combine like terms: -4n + 35n = 31n
-168 = 49 + 31n

Solving
-168 = 49 + 31n

Solving for variable 'n'.

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

Add '-31n' to each side of the equation.
-168 + -31n = 49 + 31n + -31n

Combine like terms: 31n + -31n = 0
-168 + -31n = 49 + 0
-168 + -31n = 49

Add '168' to each side of the equation.
-168 + 168 + -31n = 49 + 168

Combine like terms: -168 + 168 = 0
0 + -31n = 49 + 168
-31n = 49 + 168

Combine like terms: 49 + 168 = 217
-31n = 217

Divide each side by '-31'.
n = -7

Simplifying
n = -7

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