3n-7=5n-9

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


Simplifying
3n + -7 = 5n + -9

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

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

Solving
-7 + 3n = -9 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-7 + 3n + -5n = -9 + 5n + -5n

Combine like terms: 3n + -5n = -2n
-7 + -2n = -9 + 5n + -5n

Combine like terms: 5n + -5n = 0
-7 + -2n = -9 + 0
-7 + -2n = -9

Add '7' to each side of the equation.
-7 + 7 + -2n = -9 + 7

Combine like terms: -7 + 7 = 0
0 + -2n = -9 + 7
-2n = -9 + 7

Combine like terms: -9 + 7 = -2
-2n = -2

Divide each side by '-2'.
n = 1

Simplifying
n = 1

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