7n-25=-45+3n

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Solution for 7n-25=-45+3n equation:


Simplifying
7n + -25 = -45 + 3n

Reorder the terms:
-25 + 7n = -45 + 3n

Solving
-25 + 7n = -45 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-25 + 7n + -3n = -45 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-25 + 4n = -45 + 3n + -3n

Combine like terms: 3n + -3n = 0
-25 + 4n = -45 + 0
-25 + 4n = -45

Add '25' to each side of the equation.
-25 + 25 + 4n = -45 + 25

Combine like terms: -25 + 25 = 0
0 + 4n = -45 + 25
4n = -45 + 25

Combine like terms: -45 + 25 = -20
4n = -20

Divide each side by '4'.
n = -5

Simplifying
n = -5

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