12n-3=7(n-3)

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Solution for 12n-3=7(n-3) equation:


Simplifying
12n + -3 = 7(n + -3)

Reorder the terms:
-3 + 12n = 7(n + -3)

Reorder the terms:
-3 + 12n = 7(-3 + n)
-3 + 12n = (-3 * 7 + n * 7)
-3 + 12n = (-21 + 7n)

Solving
-3 + 12n = -21 + 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.
-3 + 12n + -7n = -21 + 7n + -7n

Combine like terms: 12n + -7n = 5n
-3 + 5n = -21 + 7n + -7n

Combine like terms: 7n + -7n = 0
-3 + 5n = -21 + 0
-3 + 5n = -21

Add '3' to each side of the equation.
-3 + 3 + 5n = -21 + 3

Combine like terms: -3 + 3 = 0
0 + 5n = -21 + 3
5n = -21 + 3

Combine like terms: -21 + 3 = -18
5n = -18

Divide each side by '5'.
n = -3.6

Simplifying
n = -3.6

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