-15+2n=-7-3(1+n)

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Solution for -15+2n=-7-3(1+n) equation:


Simplifying
-15 + 2n = -7 + -3(1 + n)
-15 + 2n = -7 + (1 * -3 + n * -3)
-15 + 2n = -7 + (-3 + -3n)

Combine like terms: -7 + -3 = -10
-15 + 2n = -10 + -3n

Solving
-15 + 2n = -10 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
-15 + 2n + 3n = -10 + -3n + 3n

Combine like terms: 2n + 3n = 5n
-15 + 5n = -10 + -3n + 3n

Combine like terms: -3n + 3n = 0
-15 + 5n = -10 + 0
-15 + 5n = -10

Add '15' to each side of the equation.
-15 + 15 + 5n = -10 + 15

Combine like terms: -15 + 15 = 0
0 + 5n = -10 + 15
5n = -10 + 15

Combine like terms: -10 + 15 = 5
5n = 5

Divide each side by '5'.
n = 1

Simplifying
n = 1

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