9n-2=7n+5

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Solution for 9n-2=7n+5 equation:


Simplifying
9n + -2 = 7n + 5

Reorder the terms:
-2 + 9n = 7n + 5

Reorder the terms:
-2 + 9n = 5 + 7n

Solving
-2 + 9n = 5 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-2 + 9n + -7n = 5 + 7n + -7n

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

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

Add '2' to each side of the equation.
-2 + 2 + 2n = 5 + 2

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

Combine like terms: 5 + 2 = 7
2n = 7

Divide each side by '2'.
n = 3.5

Simplifying
n = 3.5

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