-4(n+2)-(7n-5)=-12n

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Solution for -4(n+2)-(7n-5)=-12n equation:


Simplifying
-4(n + 2) + -1(7n + -5) = -12n

Reorder the terms:
-4(2 + n) + -1(7n + -5) = -12n
(2 * -4 + n * -4) + -1(7n + -5) = -12n
(-8 + -4n) + -1(7n + -5) = -12n

Reorder the terms:
-8 + -4n + -1(-5 + 7n) = -12n
-8 + -4n + (-5 * -1 + 7n * -1) = -12n
-8 + -4n + (5 + -7n) = -12n

Reorder the terms:
-8 + 5 + -4n + -7n = -12n

Combine like terms: -8 + 5 = -3
-3 + -4n + -7n = -12n

Combine like terms: -4n + -7n = -11n
-3 + -11n = -12n

Solving
-3 + -11n = -12n

Solving for variable 'n'.

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

Add '12n' to each side of the equation.
-3 + -11n + 12n = -12n + 12n

Combine like terms: -11n + 12n = 1n
-3 + 1n = -12n + 12n

Combine like terms: -12n + 12n = 0
-3 + 1n = 0

Add '3' to each side of the equation.
-3 + 3 + 1n = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 1n = 0 + 3
1n = 0 + 3

Combine like terms: 0 + 3 = 3
1n = 3

Divide each side by '1'.
n = 3

Simplifying
n = 3

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