12-(2n)=15-(7n)

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Solution for 12-(2n)=15-(7n) equation:


Simplifying
12 + -1(2n) = 15 + -1(7n)

Remove parenthesis around (2n)
12 + -1 * 2n = 15 + -1(7n)

Multiply -1 * 2
12 + -2n = 15 + -1(7n)

Remove parenthesis around (7n)
12 + -2n = 15 + -1 * 7n

Multiply -1 * 7
12 + -2n = 15 + -7n

Solving
12 + -2n = 15 + -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.
12 + -2n + 7n = 15 + -7n + 7n

Combine like terms: -2n + 7n = 5n
12 + 5n = 15 + -7n + 7n

Combine like terms: -7n + 7n = 0
12 + 5n = 15 + 0
12 + 5n = 15

Add '-12' to each side of the equation.
12 + -12 + 5n = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 5n = 15 + -12
5n = 15 + -12

Combine like terms: 15 + -12 = 3
5n = 3

Divide each side by '5'.
n = 0.6

Simplifying
n = 0.6

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