20+15=n

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Solution for 20+15=n equation:


Simplifying
20 + 15 = n

Combine like terms: 20 + 15 = 35
35 = n

Solving
35 = n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
35 + -1n = n + -1n

Combine like terms: n + -1n = 0
35 + -1n = 0

Add '-35' to each side of the equation.
35 + -35 + -1n = 0 + -35

Combine like terms: 35 + -35 = 0
0 + -1n = 0 + -35
-1n = 0 + -35

Combine like terms: 0 + -35 = -35
-1n = -35

Divide each side by '-1'.
n = 35

Simplifying
n = 35

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