4=2(n+10)+1

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Solution for 4=2(n+10)+1 equation:


Simplifying
4 = 2(n + 10) + 1

Reorder the terms:
4 = 2(10 + n) + 1
4 = (10 * 2 + n * 2) + 1
4 = (20 + 2n) + 1

Reorder the terms:
4 = 20 + 1 + 2n

Combine like terms: 20 + 1 = 21
4 = 21 + 2n

Solving
4 = 21 + 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.
4 + -2n = 21 + 2n + -2n

Combine like terms: 2n + -2n = 0
4 + -2n = 21 + 0
4 + -2n = 21

Add '-4' to each side of the equation.
4 + -4 + -2n = 21 + -4

Combine like terms: 4 + -4 = 0
0 + -2n = 21 + -4
-2n = 21 + -4

Combine like terms: 21 + -4 = 17
-2n = 17

Divide each side by '-2'.
n = -8.5

Simplifying
n = -8.5

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