(10-n)*21=23

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Solution for (10-n)*21=23 equation:


Simplifying
(10 + -1n) * 21 = 23

Reorder the terms for easier multiplication:
21(10 + -1n) = 23
(10 * 21 + -1n * 21) = 23
(210 + -21n) = 23

Solving
210 + -21n = 23

Solving for variable 'n'.

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

Add '-210' to each side of the equation.
210 + -210 + -21n = 23 + -210

Combine like terms: 210 + -210 = 0
0 + -21n = 23 + -210
-21n = 23 + -210

Combine like terms: 23 + -210 = -187
-21n = -187

Divide each side by '-21'.
n = 8.904761905

Simplifying
n = 8.904761905

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