3N+9=4N+4

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Solution for 3N+9=4N+4 equation:


Simplifying
3N + 9 = 4N + 4

Reorder the terms:
9 + 3N = 4N + 4

Reorder the terms:
9 + 3N = 4 + 4N

Solving
9 + 3N = 4 + 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.
9 + 3N + -4N = 4 + 4N + -4N

Combine like terms: 3N + -4N = -1N
9 + -1N = 4 + 4N + -4N

Combine like terms: 4N + -4N = 0
9 + -1N = 4 + 0
9 + -1N = 4

Add '-9' to each side of the equation.
9 + -9 + -1N = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1N = 4 + -9
-1N = 4 + -9

Combine like terms: 4 + -9 = -5
-1N = -5

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

Simplifying
N = 5

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