3n+7=4n

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Solution for 3n+7=4n equation:


Simplifying
3n + 7 = 4n

Reorder the terms:
7 + 3n = 4n

Solving
7 + 3n = 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 + 3n + -4n = 4n + -4n

Combine like terms: 3n + -4n = -1n
7 + -1n = 4n + -4n

Combine like terms: 4n + -4n = 0
7 + -1n = 0

Add '-7' to each side of the equation.
7 + -7 + -1n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1n = 0 + -7
-1n = 0 + -7

Combine like terms: 0 + -7 = -7
-1n = -7

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

Simplifying
n = 7

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