7n-20=40

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Solution for 7n-20=40 equation: 


Simplifying
7n + -20 = 40

Reorder the terms:
-20 + 7n = 40

Solving
-20 + 7n = 40

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + 7n = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 7n = 40 + 20
7n = 40 + 20

Combine like terms: 40 + 20 = 60
7n = 60

Divide each side by '7'.
n = 8.571428571

Simplifying
n = 8.571428571

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