45=-2n+5

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Solution for 45=-2n+5 equation:


Simplifying
45 = -2n + 5

Reorder the terms:
45 = 5 + -2n

Solving
45 = 5 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
45 + 2n = 5 + -2n + 2n

Combine like terms: -2n + 2n = 0
45 + 2n = 5 + 0
45 + 2n = 5

Add '-45' to each side of the equation.
45 + -45 + 2n = 5 + -45

Combine like terms: 45 + -45 = 0
0 + 2n = 5 + -45
2n = 5 + -45

Combine like terms: 5 + -45 = -40
2n = -40

Divide each side by '2'.
n = -20

Simplifying
n = -20

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