90-1.5n=30

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Solution for 90-1.5n=30 equation: 


Simplifying
90 + -1.5n = 30

Solving
90 + -1.5n = 30

Solving for variable 'n'.

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

Add '-90' to each side of the equation.
90 + -90 + -1.5n = 30 + -90

Combine like terms: 90 + -90 = 0
0 + -1.5n = 30 + -90
-1.5n = 30 + -90

Combine like terms: 30 + -90 = -60
-1.5n = -60

Divide each side by '-1.5'.
n = 40

Simplifying
n = 40

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