90=9n-.75

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Solution for 90=9n-.75 equation:


Simplifying
90 = 9n + -0.75

Reorder the terms:
90 = -0.75 + 9n

Solving
90 = -0.75 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
90 + -9n = -0.75 + 9n + -9n

Combine like terms: 9n + -9n = 0
90 + -9n = -0.75 + 0
90 + -9n = -0.75

Add '-90' to each side of the equation.
90 + -90 + -9n = -0.75 + -90

Combine like terms: 90 + -90 = 0
0 + -9n = -0.75 + -90
-9n = -0.75 + -90

Combine like terms: -0.75 + -90 = -90.75
-9n = -90.75

Divide each side by '-9'.
n = 10.08333333

Simplifying
n = 10.08333333

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