-2n+21=12n-15

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Solution for -2n+21=12n-15 equation:


Simplifying
-2n + 21 = 12n + -15

Reorder the terms:
21 + -2n = 12n + -15

Reorder the terms:
21 + -2n = -15 + 12n

Solving
21 + -2n = -15 + 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.
21 + -2n + -12n = -15 + 12n + -12n

Combine like terms: -2n + -12n = -14n
21 + -14n = -15 + 12n + -12n

Combine like terms: 12n + -12n = 0
21 + -14n = -15 + 0
21 + -14n = -15

Add '-21' to each side of the equation.
21 + -21 + -14n = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -14n = -15 + -21
-14n = -15 + -21

Combine like terms: -15 + -21 = -36
-14n = -36

Divide each side by '-14'.
n = 2.571428571

Simplifying
n = 2.571428571

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