-3n-3(1+4n)=57

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Solution for -3n-3(1+4n)=57 equation:


Simplifying
-3n + -3(1 + 4n) = 57
-3n + (1 * -3 + 4n * -3) = 57
-3n + (-3 + -12n) = 57

Reorder the terms:
-3 + -3n + -12n = 57

Combine like terms: -3n + -12n = -15n
-3 + -15n = 57

Solving
-3 + -15n = 57

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + -15n = 57 + 3

Combine like terms: -3 + 3 = 0
0 + -15n = 57 + 3
-15n = 57 + 3

Combine like terms: 57 + 3 = 60
-15n = 60

Divide each side by '-15'.
n = -4

Simplifying
n = -4

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