40-7.5n=115

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Solution for 40-7.5n=115 equation: 


Simplifying
40 + -7.5n = 115

Solving
40 + -7.5n = 115

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + -7.5n = 115 + -40

Combine like terms: 40 + -40 = 0
0 + -7.5n = 115 + -40
-7.5n = 115 + -40

Combine like terms: 115 + -40 = 75
-7.5n = 75

Divide each side by '-7.5'.
n = -10

Simplifying
n = -10

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