12+7+4n-3=-5+7n

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Solution for 12+7+4n-3=-5+7n equation:


Simplifying
12 + 7 + 4n + -3 = -5 + 7n

Reorder the terms:
12 + 7 + -3 + 4n = -5 + 7n

Combine like terms: 12 + 7 = 19
19 + -3 + 4n = -5 + 7n

Combine like terms: 19 + -3 = 16
16 + 4n = -5 + 7n

Solving
16 + 4n = -5 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
16 + 4n + -7n = -5 + 7n + -7n

Combine like terms: 4n + -7n = -3n
16 + -3n = -5 + 7n + -7n

Combine like terms: 7n + -7n = 0
16 + -3n = -5 + 0
16 + -3n = -5

Add '-16' to each side of the equation.
16 + -16 + -3n = -5 + -16

Combine like terms: 16 + -16 = 0
0 + -3n = -5 + -16
-3n = -5 + -16

Combine like terms: -5 + -16 = -21
-3n = -21

Divide each side by '-3'.
n = 7

Simplifying
n = 7

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