-199=-7(5n-7)+4n

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Solution for -199=-7(5n-7)+4n equation:


Simplifying
-199 = -7(5n + -7) + 4n

Reorder the terms:
-199 = -7(-7 + 5n) + 4n
-199 = (-7 * -7 + 5n * -7) + 4n
-199 = (49 + -35n) + 4n

Combine like terms: -35n + 4n = -31n
-199 = 49 + -31n

Solving
-199 = 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.
-199 + 31n = 49 + -31n + 31n

Combine like terms: -31n + 31n = 0
-199 + 31n = 49 + 0
-199 + 31n = 49

Add '199' to each side of the equation.
-199 + 199 + 31n = 49 + 199

Combine like terms: -199 + 199 = 0
0 + 31n = 49 + 199
31n = 49 + 199

Combine like terms: 49 + 199 = 248
31n = 248

Divide each side by '31'.
n = 8

Simplifying
n = 8

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