30n-40=100

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Solution for 30n-40=100 equation: 


Simplifying
30n + -40 = 100

Reorder the terms:
-40 + 30n = 100

Solving
-40 + 30n = 100

Solving for variable 'n'.

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

Add '40' to each side of the equation.
-40 + 40 + 30n = 100 + 40

Combine like terms: -40 + 40 = 0
0 + 30n = 100 + 40
30n = 100 + 40

Combine like terms: 100 + 40 = 140
30n = 140

Divide each side by '30'.
n = 4.666666667

Simplifying
n = 4.666666667

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