3(n-72)-21=33

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Solution for 3(n-72)-21=33 equation: 


Simplifying
3(n + -72) + -21 = 33

Reorder the terms:
3(-72 + n) + -21 = 33
(-72 * 3 + n * 3) + -21 = 33
(-216 + 3n) + -21 = 33

Reorder the terms:
-216 + -21 + 3n = 33

Combine like terms: -216 + -21 = -237
-237 + 3n = 33

Solving
-237 + 3n = 33

Solving for variable 'n'.

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

Add '237' to each side of the equation.
-237 + 237 + 3n = 33 + 237

Combine like terms: -237 + 237 = 0
0 + 3n = 33 + 237
3n = 33 + 237

Combine like terms: 33 + 237 = 270
3n = 270

Divide each side by '3'.
n = 90

Simplifying
n = 90

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