2+1-5n=-7

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Solution for 2+1-5n=-7 equation: 


Simplifying
2 + 1 + -5n = -7

Combine like terms: 2 + 1 = 3
3 + -5n = -7

Solving
3 + -5n = -7

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + -5n = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -5n = -7 + -3
-5n = -7 + -3

Combine like terms: -7 + -3 = -10
-5n = -10

Divide each side by '-5'.
n = 2

Simplifying
n = 2

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