2-2n=3n+7

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Solution for 2-2n=3n+7 equation:


Simplifying
2 + -2n = 3n + 7

Reorder the terms:
2 + -2n = 7 + 3n

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

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

Combine like terms: 3n + -3n = 0
2 + -5n = 7 + 0
2 + -5n = 7

Add '-2' to each side of the equation.
2 + -2 + -5n = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -5n = 7 + -2
-5n = 7 + -2

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

Divide each side by '-5'.
n = -1

Simplifying
n = -1

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