3n+7=7(n-9)-4n

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Solution for 3n+7=7(n-9)-4n equation:


Simplifying
3n + 7 = 7(n + -9) + -4n

Reorder the terms:
7 + 3n = 7(n + -9) + -4n

Reorder the terms:
7 + 3n = 7(-9 + n) + -4n
7 + 3n = (-9 * 7 + n * 7) + -4n
7 + 3n = (-63 + 7n) + -4n

Combine like terms: 7n + -4n = 3n
7 + 3n = -63 + 3n

Add '-3n' to each side of the equation.
7 + 3n + -3n = -63 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + 0 = -63 + 3n + -3n
7 = -63 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 = -63 + 0
7 = -63

Solving
7 = -63

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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