7+13=2n-13

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Solution for 7+13=2n-13 equation:


Simplifying
7 + 13 = 2n + -13

Combine like terms: 7 + 13 = 20
20 = 2n + -13

Reorder the terms:
20 = -13 + 2n

Solving
20 = -13 + 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.
20 + -2n = -13 + 2n + -2n

Combine like terms: 2n + -2n = 0
20 + -2n = -13 + 0
20 + -2n = -13

Add '-20' to each side of the equation.
20 + -20 + -2n = -13 + -20

Combine like terms: 20 + -20 = 0
0 + -2n = -13 + -20
-2n = -13 + -20

Combine like terms: -13 + -20 = -33
-2n = -33

Divide each side by '-2'.
n = 16.5

Simplifying
n = 16.5

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