250+3.5n=670

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Solution for 250+3.5n=670 equation: 


Simplifying
250 + 3.5n = 670

Solving
250 + 3.5n = 670

Solving for variable 'n'.

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

Add '-250' to each side of the equation.
250 + -250 + 3.5n = 670 + -250

Combine like terms: 250 + -250 = 0
0 + 3.5n = 670 + -250
3.5n = 670 + -250

Combine like terms: 670 + -250 = 420
3.5n = 420

Divide each side by '3.5'.
n = 120

Simplifying
n = 120

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