10-15=2n-18

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Solution for 10-15=2n-18 equation:


Simplifying
10 + -15 = 2n + -18

Combine like terms: 10 + -15 = -5
-5 = 2n + -18

Reorder the terms:
-5 = -18 + 2n

Solving
-5 = -18 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-5 + -2n = -18 + 2n + -2n

Combine like terms: 2n + -2n = 0
-5 + -2n = -18 + 0
-5 + -2n = -18

Add '5' to each side of the equation.
-5 + 5 + -2n = -18 + 5

Combine like terms: -5 + 5 = 0
0 + -2n = -18 + 5
-2n = -18 + 5

Combine like terms: -18 + 5 = -13
-2n = -13

Divide each side by '-2'.
n = 6.5

Simplifying
n = 6.5

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