3(120+n)=210

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Solution for 3(120+n)=210 equation: 


Simplifying
3(120 + n) = 210
(120 * 3 + n * 3) = 210
(360 + 3n) = 210

Solving
360 + 3n = 210

Solving for variable 'n'.

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

Add '-360' to each side of the equation.
360 + -360 + 3n = 210 + -360

Combine like terms: 360 + -360 = 0
0 + 3n = 210 + -360
3n = 210 + -360

Combine like terms: 210 + -360 = -150
3n = -150

Divide each side by '3'.
n = -50

Simplifying
n = -50

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