3(n-10)-5(n+12)=

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Solution for 3(n-10)-5(n+12)= equation:


Simplifying
3(n + -10) + -5(n + 12) = 0

Reorder the terms:
3(-10 + n) + -5(n + 12) = 0
(-10 * 3 + n * 3) + -5(n + 12) = 0
(-30 + 3n) + -5(n + 12) = 0

Reorder the terms:
-30 + 3n + -5(12 + n) = 0
-30 + 3n + (12 * -5 + n * -5) = 0
-30 + 3n + (-60 + -5n) = 0

Reorder the terms:
-30 + -60 + 3n + -5n = 0

Combine like terms: -30 + -60 = -90
-90 + 3n + -5n = 0

Combine like terms: 3n + -5n = -2n
-90 + -2n = 0

Solving
-90 + -2n = 0

Solving for variable 'n'.

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

Add '90' to each side of the equation.
-90 + 90 + -2n = 0 + 90

Combine like terms: -90 + 90 = 0
0 + -2n = 0 + 90
-2n = 0 + 90

Combine like terms: 0 + 90 = 90
-2n = 90

Divide each side by '-2'.
n = -45

Simplifying
n = -45

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