9n+7=4n+12

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Solution for 9n+7=4n+12 equation:


Simplifying
9n + 7 = 4n + 12

Reorder the terms:
7 + 9n = 4n + 12

Reorder the terms:
7 + 9n = 12 + 4n

Solving
7 + 9n = 12 + 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.
7 + 9n + -4n = 12 + 4n + -4n

Combine like terms: 9n + -4n = 5n
7 + 5n = 12 + 4n + -4n

Combine like terms: 4n + -4n = 0
7 + 5n = 12 + 0
7 + 5n = 12

Add '-7' to each side of the equation.
7 + -7 + 5n = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 5n = 12 + -7
5n = 12 + -7

Combine like terms: 12 + -7 = 5
5n = 5

Divide each side by '5'.
n = 1

Simplifying
n = 1

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