45=7-5n

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Solution for 45=7-5n equation:


Simplifying
45 = 7 + -5n

Solving
45 = 7 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
45 + 5n = 7 + -5n + 5n

Combine like terms: -5n + 5n = 0
45 + 5n = 7 + 0
45 + 5n = 7

Add '-45' to each side of the equation.
45 + -45 + 5n = 7 + -45

Combine like terms: 45 + -45 = 0
0 + 5n = 7 + -45
5n = 7 + -45

Combine like terms: 7 + -45 = -38
5n = -38

Divide each side by '5'.
n = -7.6

Simplifying
n = -7.6

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