7-4+9n=28

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Solution for 7-4+9n=28 equation: 


Simplifying
7 + -4 + 9n = 28

Combine like terms: 7 + -4 = 3
3 + 9n = 28

Solving
3 + 9n = 28

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 9n = 28 + -3

Combine like terms: 3 + -3 = 0
0 + 9n = 28 + -3
9n = 28 + -3

Combine like terms: 28 + -3 = 25
9n = 25

Divide each side by '9'.
n = 2.777777778

Simplifying
n = 2.777777778

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