1n+3-3n=7

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Solution for 1n+3-3n=7 equation: 


Simplifying
1n + 3 + -3n = 7

Reorder the terms:
3 + 1n + -3n = 7

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

Solving
3 + -2n = 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 + -2n = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2n = 7 + -3
-2n = 7 + -3

Combine like terms: 7 + -3 = 4
-2n = 4

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

Simplifying
n = -2

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