3(7n-1)+7=7(3n+7)

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Solution for 3(7n-1)+7=7(3n+7) equation:


Simplifying
3(7n + -1) + 7 = 7(3n + 7)

Reorder the terms:
3(-1 + 7n) + 7 = 7(3n + 7)
(-1 * 3 + 7n * 3) + 7 = 7(3n + 7)
(-3 + 21n) + 7 = 7(3n + 7)

Reorder the terms:
-3 + 7 + 21n = 7(3n + 7)

Combine like terms: -3 + 7 = 4
4 + 21n = 7(3n + 7)

Reorder the terms:
4 + 21n = 7(7 + 3n)
4 + 21n = (7 * 7 + 3n * 7)
4 + 21n = (49 + 21n)

Add '-21n' to each side of the equation.
4 + 21n + -21n = 49 + 21n + -21n

Combine like terms: 21n + -21n = 0
4 + 0 = 49 + 21n + -21n
4 = 49 + 21n + -21n

Combine like terms: 21n + -21n = 0
4 = 49 + 0
4 = 49

Solving
4 = 49

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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