3n-7=9*5n

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Solution for 3n-7=9*5n equation:


Simplifying
3n + -7 = 9 * 5n

Reorder the terms:
-7 + 3n = 9 * 5n

Multiply 9 * 5
-7 + 3n = 45n

Solving
-7 + 3n = 45n

Solving for variable 'n'.

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

Add '-45n' to each side of the equation.
-7 + 3n + -45n = 45n + -45n

Combine like terms: 3n + -45n = -42n
-7 + -42n = 45n + -45n

Combine like terms: 45n + -45n = 0
-7 + -42n = 0

Add '7' to each side of the equation.
-7 + 7 + -42n = 0 + 7

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

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

Divide each side by '-42'.
n = -0.1666666667

Simplifying
n = -0.1666666667

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