7n-15=42

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Solution for 7n-15=42 equation: 


Simplifying
7n + -15 = 42

Reorder the terms:
-15 + 7n = 42

Solving
-15 + 7n = 42

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 7n = 42 + 15

Combine like terms: -15 + 15 = 0
0 + 7n = 42 + 15
7n = 42 + 15

Combine like terms: 42 + 15 = 57
7n = 57

Divide each side by '7'.
n = 8.142857143

Simplifying
n = 8.142857143

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