(-2z-4n)-(7z-12n)=

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


Simplifying
(-2z + -4n) + -1(7z + -12n) = 0

Reorder the terms:
(-4n + -2z) + -1(7z + -12n) = 0

Remove parenthesis around (-4n + -2z)
-4n + -2z + -1(7z + -12n) = 0

Reorder the terms:
-4n + -2z + -1(-12n + 7z) = 0
-4n + -2z + (-12n * -1 + 7z * -1) = 0
-4n + -2z + (12n + -7z) = 0

Reorder the terms:
-4n + 12n + -2z + -7z = 0

Combine like terms: -4n + 12n = 8n
8n + -2z + -7z = 0

Combine like terms: -2z + -7z = -9z
8n + -9z = 0

Solving
8n + -9z = 0

Solving for variable 'n'.

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

Add '9z' to each side of the equation.
8n + -9z + 9z = 0 + 9z

Combine like terms: -9z + 9z = 0
8n + 0 = 0 + 9z
8n = 0 + 9z
Remove the zero:
8n = 9z

Divide each side by '8'.
n = 1.125z

Simplifying
n = 1.125z

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