3n-2=4n-9

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Solution for 3n-2=4n-9 equation:


Simplifying
3n + -2 = 4n + -9

Reorder the terms:
-2 + 3n = 4n + -9

Reorder the terms:
-2 + 3n = -9 + 4n

Solving
-2 + 3n = -9 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-2 + 3n + -4n = -9 + 4n + -4n

Combine like terms: 3n + -4n = -1n
-2 + -1n = -9 + 4n + -4n

Combine like terms: 4n + -4n = 0
-2 + -1n = -9 + 0
-2 + -1n = -9

Add '2' to each side of the equation.
-2 + 2 + -1n = -9 + 2

Combine like terms: -2 + 2 = 0
0 + -1n = -9 + 2
-1n = -9 + 2

Combine like terms: -9 + 2 = -7
-1n = -7

Divide each side by '-1'.
n = 7

Simplifying
n = 7

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